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Biomedical subjects

M Bonduelle

Publications and source records attributed to M Bonduelle.

At least 19 recordsLinked to original sources
PubMed2006

Medical outcome of 8-year-old singleton ICSI children (born >or=32 weeks' gestation) and a spontaneously conceived comparison group.

BACKGROUND: There is little information about the long-term outcome of children born after ICSI. In this study, the eldest cohort of ICSI children worldwide, reaching the age of 8 years, was investigated at the prepubertal stage to monitor subsequent puberty and future fertility. To investigate possible health problems, a thorough medical and neurological examination was performed. METHODS: Medical outcome of 8-year-old singletons (n=150) born through ICSI (>or=32 weeks) was compared with that of 147 singletons of the same age born after spontaneous conception (SC). Information about their general health was obtained from the parents by means of a questionnaire. RESULTS: Fifteen of 150 ICSI children experienced a major congenital malformation compared with 5/147 SC children (P < 0.05). Pubertal staging was similar in both groups. Neurological examination did not show important differences between ICSI and SC children. ICSI children did not require more remedial therapy or surgery or hospitalization than SC children. CONCLUSION: Physical examination including a thorough neurological examination did not reveal important differences between the two groups. Major congenital malformations were significantly more frequent in the ICSI group. However, most of them were corrected by minor surgery. Further monitoring of these children at an older age is recommended.

Belgium↗
PubMed2006

Cognitive and motor development of 8-year-old children born after ICSI compared to spontaneously conceived children.

BACKGROUND: As a continuation of two large-scale, multicentre studies on the development of 5-year-old ICSI children, we present results of the follow-up study undertaken on the cognitive and motor development of 8-year-old ICSI children. METHODS: Developmental outcomes of 151 8-year-old singletons born through ICSI after 32 weeks of gestation were compared with those of 153 singletons of the same age born after spontaneous conception (SC). Part of this population was seen in a cohort at the age 5 years. Outcome measures include Wechsler Intelligence Scale for Children-Revised (WISC-R) and Movement Assessment Battery for Children (ABC). RESULTS: Regarding intellectual functioning, ICSI children tend to obtain significantly higher total (P < 0.01), verbal (P < 0.01) and performance (P < 0.05) intelligence scores than SC children, nevertheless remaining in similar ranges. These effects are small (Cohen's d < 0.50). High maternal educational level stayed in the regression as a factor accounting for some of the variance in total IQ between the groups. In terms of motor development, no significant differences were found between ICSI and SC children regarding overall motor skills, manual, balance and ball skills. CONCLUSION: In this follow-up study, ICSI and SC children show a comparable cognitive and motor development until the age of 8 years.

Belgium↗
PubMed2006

Paternal sperm concentration and growth and cognitive development in children born with a gestational age more than 32 weeks after assisted reproductive therapy.

BACKGROUND: A possible impact of paternal sperm quality on the outcome in children born after assisted reproductive technologies, especially ICSI, has been discussed. The objective of this study was to assess whether sperm concentration has any influence on growth and cognitive development in children born with a gestational age more than 32 weeks after ICSI or IVF. METHODS: Singleton children born after ICSI (n = 492) or IVF (n = 265) from five European countries were examined at age 5 years. The ICSI group was divided into five subgroups according to paternal sperm origin and sperm concentration: (1) epididymal and testicular sperm group, (2) ejaculated sperm < 1 x 10(6)/ml, (3) ejaculated sperm 1-4.99 x 10(6)/ml, (4) ejaculated sperm 5-19.99 x 10(6)/ml and (5) ejaculated sperm > or = 20 x 10(6)/ml. The IVF group was divided into two subgroups: (1) < 20 x 10(6)/ml and (2) > or = 20 x 10(6)/ml. Growth parameters at birth and age 5 were evaluated. Cognitive development was assessed with the Wechsler Preschool and Primary Scale of Intelligence-Revised. RESULTS: No significant difference was found for gestational age, birth weight and birth weight standard deviation scores (SDS) between the ICSI and IVF sperm groups. No significant difference in height and weight at age 5 or SDS weight or height or BMIs at age 5 was found. There was no significant difference in total intelligence quotient (IQ)--performance or verbal IQ--between the groups. CONCLUSION: We found no indication that growth and cognitive development in ICSI and IVF children differed depending on paternal sperm concentration.

Cognition↗
PubMed2005

Is chromosome analysis mandatory in the initial investigation of normovulatory women seeking infertility treatment?

BACKGROUND: There is no agreement about the frequency of chromosomal abnormalities (CAs) in the female partner of an infertile couple and therefore there is no evidence base for determining whether karyotype analysis is mandatory before the initiation of infertility treatment. The aim of this prospective study was to estimate the prevalence of karyotype abnormalities in normovulatory women attending an infertility clinic and compare it to that known to be present in the newborn female population. METHODS: Cytogenetic testing was performed in 1206 women with normal ovulatory cycle seeking infertility treatment. At least 15 GTG-banded metaphases were analysed in each case. In the case of a structural abnormality, fluorescent in situ hybridization (FISH) analysis and high resolution banding (HRB) were performed on a new blood sample to elucidate the aberration. When mosaicism was suspected, the number of analysed metaphases was increased to a total of 115 and an additional analysis of 200 metaphases was done on a second blood sample. RESULTS: A chromosomal abnormality was demonstrated in 0.58% (95% CI: 0.28-1.19) of cases which did not differ significantly from that reported in female newborns (0.79%; 95% CI: 0.68-0.94). Balanced reciprocal translocation was observed in 0.4% of patients (n = 5), paracentric inversion of chromosome X in 0.08% (n = 1) and gonosomal mosaicism in 0.08% (n = 1). However, chromosomal aberrations were less common among females with primary infertility compared to those with secondary infertility (0.25 versus 1.25%, P = 0.04). CONCLUSIONS: The present study suggests that routine cytogenetic analysis cannot be advocated in normovulatory infertile women. Nevertheless, the relatively higher frequency of abnormal karyotypes in women with secondary infertility indicates that this subgroup of patients might benefit from a routine karyotype analysis.

Adult↗
PubMed2005

Camurati-Engelmann disease: review of the clinical, radiological, and molecular data of 24 families and implications for diagnosis and treatment.

Camurati-Engelmann disease (CED) is a rare autosomal dominant type of bone dysplasia. This review is based on the unpublished and detailed clinical, radiological, and molecular findings in 14 CED families, comprising 41 patients, combined with data from 10 other previously reported CED families. For all 100 cases, molecular evidence for CED was available, as a mutation was detected in TGFB1, the gene encoding transforming growth factor (TGF) beta1. Pain in the extremities was the most common clinical symptom, present in 68% of the patients. A waddling gait (48%), easy fatigability (44%), and muscle weakness (39%) were other important features. Radiological symptoms were not fully penetrant, with 94% of the patients showing the typical long bone involvement. A large percentage of the patients also showed involvement of the skull (54%) and pelvis (63%). The review provides an overview of possible treatments, diagnostic guidelines, and considerations for prenatal testing. The detailed description of such a large set of CED patients will be of value in establishing the correct diagnosis, genetic counselling, and treatment.

Camurati-Engelmann Syndrome↗
PubMed2005

Laterality in five-year-olds conceived by intracytoplasmic sperm injection, standard in vitro fertilisation and natural conception: a European study.

OBJECTIVE: To assess laterality in a group of European children conceived with the help of assisted reproductive therapy, or naturally conceived. DESIGN: Prospective cohort study. SETTING: Five European countries. POPULATION: A total of 1525 five-year-old children divided into three groups according to conception status: naturally conceived; intracytoplasmic sperm injection (ICSI); in vitro fertilisation (IVF) group. METHODS: All children were assessed using the McCarthy Scale of Children's Abilities (Motor Scale) with additional items using a comb, a spoon and an indirect measure was made of the parental handedness scores, using a questionnaire. MAIN OUTCOME MEASURES: Child handedness for drawing and writing. RESULTS: Observed handedness did not differ significantly between natural conception, IVF and ICSI in girls or boys, except for ICSI-conceived girls, fewer of whom were left-handed than the naturally conceived controls, 7.0%versus 12.4% (P < 0.05), however, this was close to the population norm of 8%. The degree of parental handedness did not significantly vary in the three groups. CONCLUSIONS: Laterality, as assessed by handedness, may be marginally less common in girls conceived with assisted reproductive therapies than with children conceived naturally.

Adult↗
PubMed2005

International collaborative study of intracytoplasmic sperm injection-conceived, in vitro fertilization-conceived, and naturally conceived 5-year-old child outcomes: cognitive and motor assessments.

OBJECTIVE: To date, very few studies have been conducted on the neurodevelopmental well-being of children conceived through intracytoplasmic sperm injection (ICSI). The limitations of these studies often include a lack of comparison with a demographically matched, naturally conceived (NC) group and the investigation of only very young children, with relatively small samples sizes. One study showed that there were no differences in IQ scores among ICSI-conceived, in vitro fertilization (IVF)-conceived, and NC children at 5 years of age. Unfortunately, psychomotor development was not assessed in that study. Because findings regarding these children's cognitive and motor development are inconclusive, the aim of this study was to shed more light on the cognitive and motor development of 5-year-old ICSI-conceived children. METHODS: A total of 511 ICSI-conceived children were compared with 424 IVF-conceived children and 488 NC controls. Children were recruited in 5 European countries, ie, Belgium, Denmark, Greece, Sweden, and the United Kingdom. Participation rates ranged from 45% to 96% in the ICSI and IVF groups and from 34% to 78% in the NC group. Cognitive and motor development was assessed with the Wechsler Preschool and Primary Scale of Intelligence-Revised (WPPSI-R) and McCarthy Scales of Children's Abilities (MSCA) Motor Scale, respectively. The WPPSI-R consists of 2 major scales, ie, Verbal and Performance, each including 6 subtests. The 6 Performance Scale subtests are object assembly, geometric design, block design, mazes, picture completion, and animal pegs. The 6 Verbal Scale subtests are information, comprehension, arithmetic, vocabulary, similarities, and sentences. Scores on the Performance and Verbal Scale subtests are summed to yield the performance IQ (PIQ) and verbal IQ (VIQ), respectively. Scores on both the Performance Scale and the Verbal Scale yield the full-scale IQ (FSIQ). IQ scales have a mean score of 100 and a SD of 15. Each subtest has a mean score of 10 and a SD of 3. The MSCA consists of 6 scales, ie, Verbal, Perceptual-Performance, Quantitative, General Cognitive, Memory, and Motor Scale. In this study, only the Motor Scale was administered. This scale assesses the child's coordination during performance of a variety of gross- and fine-motor tasks. Leg coordination, arm coordination, and imitative action tests provide measures of gross-motor ability. Draw-a-design and draw-a-child assess fine-motor coordination, as revealed by the levels of hand coordination and finger dexterity. The mean score for this test is 50, with a SD of . RESULTS: No differences were identified among ICSI, IVF, and NC children with respect to VIQ, PIQ, or FSIQ scores of the WPPSI-R. Furthermore, there were no differences between groups regarding the discrepancy between VIQ and PIQ scores. These results were not influenced by gender, country, or maternal educational level. However, in the subgroup of firstborn children with mothers who gave birth at an older age (33-45 years), NC children obtained significantly better VIQ and FSIQ scores than did children conceived through assisted reproductive technologies. These differences in VIQ and FSIQ scores between ICSI/IVF and NC children were relative, because NC children scored <1 IQ point higher than ICSI/IVF children. Therefore, these scores show no clinical relevance. For Verbal Scale subtests, variables such as age of the mother at the time of the birth, educational level of the mother, and gender and nationality of the child interacted with mode of conception, resulting in clinically irrelevant differences between scores for the ICSI/IVF and NC groups on the arithmetic, vocabulary, and comprehension subtests. For Performance Scale subtests, these same demographic factors interacted with mode of conception for the block design, object assembly, and animal pegs subtests, again resulting in clinically irrelevant differences among groups. In the 3 groups (ICSI, IVF, and NC), we observed equal numbers of children scoring below 1 SD from the mean on the WPPSI-R and the MSCA. CONCLUSIONS: This study includes a substantial number of children from several European countries. Apart from a few interaction effects between mode of conception and demographic variables, no differences were found when ICSI, IVF, and NC scores on the WPPSI-R and MSCA Motor Scale were compared. Nevertheless, the aforementioned interaction effects could indicate that demographic variables such as maternal age at the time of the birth and maternal educational level play different roles in the cognitive development of IVF and ICSI children, compared with NC children. Additional research is needed to explore and verify this finding. Previous studies revealed that ICSI children, in comparison with NC children, more frequently obtained scores below 1 SD from the mean on 3 subtests of the Performance Scale (object assembly, block design, and mazes) or showed a trend of 5.2% of ICSI children, compared with 2.5% of IVF children and 0.9% of NC children, obtaining a score below 1 SD from the mean, but those findings were not confirmed in this study. Here no differences were found among the 3 groups in the numbers of children scoring below 1 SD from the mean on the VIQ, PIQ, and FSIQ tests and the Verbal and Performance Scale subtests. Motor development results were somewhat more conclusive. There were no differences between the scores of ICSI, IVF, and NC children on the MCSA Motor Scale. No interaction effects were found between mode of conception and demographic variables, indicating that these results are not influenced by gender, nationality, maternal educational level, or maternal age at the time of the birth. Furthermore, equal proportions of children in all 3 groups scored below 1 SD from the mean. The results of this study are reassuring for parents who conceived through ICSI (or IVF). The findings indicate that the motor and cognitive development of their offspring is very similar to that of NC children. However, demographic factors such as maternal educational level and maternal age at the time of the birth might play different roles in the cognitive development of ICSI and IVF children, compared with NC children.

Case-Control Studies↗
PubMed2004

A multi-centre cohort study of the physical health of 5-year-old children conceived after intracytoplasmic sperm injection, in vitro fertilization and natural conception.

BACKGROUND: Over a million children have been born from assisted conception worldwide. Newer techniques being introduced appear less and less 'natural', such as intracytoplasmic sperm injection (ICSI), but there is little information on these children beyond the neonatal period. METHODS: 540 ICSI conceived 5-year-old children from five European countries were comprehensively assessed, along with 538 matched naturally conceived children and 437 children conceived with standard IVF. RESULTS: Of the 540 ICSI children examined, 63 (4.2%) had experienced a major congenital malformation. Compared with naturally conceived children, the odds of a major malformation were 2.77 (95% CI 1.41-5.46) for ICSI children and 1.80 (95% CI 0.85-3.81) for IVF children; these estimates were little affected by adjustment for socio-demographic factors. The higher rate observed in the ICSI group was due partially to an excess of malformations in the (boys') urogenital system. In addition, ICSI and IVF children were more likely than naturally conceived children to have had a significant childhood illness, to have had a surgical operation, to require medical therapy and to be admitted to hospital. A detailed physical examination revealed no further substantial differences between the groups, however. CONCLUSIONS: Singleton ICSI and IVF 5-year-olds are more likely to need health care resources than naturally conceived children. Assessment of singleton ICSI and IVF children at 5 years of age was generally reassuring, however, we found that ICSI children presented with more major congenital malformations and both ICSI and IVF children were more likely to need health care resources than naturally conceived children. Ongoing monitoring of these children is therefore required.

Child, Preschool↗
PubMed2004

Psychological follow-up study of 5-year-old ICSI children.

BACKGROUND: The developmental outcomes of children born after ICSI are still a matter of concern. The purpose of the present study was to investigate psychological outcomes for 5-year-old children born after ICSI and compare these with outcomes for children born after spontaneous conception (SC). METHODS: Three hundred singleton children born after ICSI in Belgium, Sweden and the USA were matched by maternal age, child age and gender. Outcome measures included the Wechsler Preschool and Primary scales of intelligence (WPPSI-R), Peabody Developmental Motor Scales, Parenting Stress Index and Child Behaviour Checklist. RESULTS: Regarding cognitive development, no significant differences were found on WPPSI-R verbal and performance scales between ICSI and SC children. However, some differences were noted on subtests of the Performance Scale. ICSI children more often obtained a score below 1 SD of the mean on the subtests: Object Assembly, Block Design and Mazes (all P<0.05). Significant differences by site (i.e. Belgium, Sweden and New York) were found on subtests related to parenting stress, child behaviour problems and motor development (all P<0.05). These findings can probably be explained by variables other than conception mode, such as cultural differences and selection bias. CONCLUSIONS: Although the finding that a higher proportion of ICSI children obtained scores below the cut-off on some of the visual-spatial subscales of the WPPSI-R warrants further investigation, ICSI does not appear to affect the psychological well-being or cognitive development at age 5.

Birth Weight↗
PubMed2004

The influence of assisted reproduction on family functioning and children's socio-emotional development: results from a European study.

BACKGROUND: ICSI is used with increasing frequency, but there is less information about the children born following this method of assisted reproduction than other forms of IVF. Some authors have suggested that it may contribute to more family stress than IVF. METHODS: ICSI conceived children were compared with IVF conceived children and naturally conceived (NC) controls. They were selected in five European countries: Belgium, Denmark, Greece, Sweden and the UK, and seen for psychological testing and a paediatric examination when they were 5 years old. In all countries, except Greece, mothers and fathers were asked to complete questionnaires about parental well-being, family relationships, parenting and child behaviour. RESULTS: Very few differences were found between the ICSI and NC group or the ICSI and IVF group. The only significant differences were that mothers in the ICSI conceived group reported fewer hostile or aggressive feelings towards the child and higher levels of commitment to parenting than the mothers of NC children. CONCLUSIONS: The study confirms the results of previous work with IVF families. This should be encouraging for families using these techniques in the future.

Adult↗
PubMed2003

Developmental outcome at 2 years of age for children born after ICSI compared with children born after IVF.

BACKGROUND: Since the introduction of ICSI in 1991, medical outcome studies on ICSI children have been performed, but few have addressed developmental outcome. Hence, this outcome was assessed by performing a standard developmental test on children born after ICSI as compared with children born after IVF, at the age of 2 years. METHODS: In a prospective study, the medical and developmental outcome of 439 children born after ICSI (378 singletons, 61 twins) were compared with those of 207 children born after IVF (138 singletons, 69 twins), at the age of 24-28 months. These children were part of a cohort of children followed since birth. Of children reaching the age of 24-28 months between May 1995 and March 2002, 44.3% (2375/5356) were examined by a paediatrician who was unaware of the type of treatment used for each couple. Of all the children born, 12.2% (439/3618) in the ICSI group and 11.9% (207/1738) in the IVF group underwent a formal developmental assessment using the Bayley Scale of Infant Development (mental scale) by a paediatrician blinded to the type of treatment. RESULTS: There was no significant difference in maternal educational level, maternal age, gestational age, parity, birthweight, neonatal complication rate or malformation rate at 2 years between ICSI and IVF singletons, or between ICSI and IVF twins. No significant difference was observed in the developmental outcome using the Bayley scale at the age of 24-28 months (raw scores or test age) between ICSI children or IVF children. A multivariate regression analysis for the singleton children indicated that parity, sex (boys had lower scores than girls) and age had a significant influence on the test result, but that the fertility procedure (ICSI versus IVF) did not influence the test result. ICSI children from fathers with low sperm concentration, low sperm motility or poor morphology had a similar developmental outcome to that of children from fathers with normal sperm parameters. There were no significant differences between the initial cohort and the group lost to follow-up, nor between the psychologically tested and the non-tested group for a number of variables such as maternal educational level, birthweight in singletons and neonatal malformation rate. Although only some of the cohort of ICSI children were evaluated, a representative sample of both ICSI and IVF children was compared. CONCLUSIONS: There is no indication that ICSI children have a lower psychomotor development than IVF children. Paternal risk factors associated with male-factor infertility were found not to play a role in developmental outcome.

Aging↗
PubMed2003

Pregnancy outcome and neonatal data of children born after ICSI using testicular sperm in obstructive and non-obstructive azoospermia.

BACKGROUND: Registries on outcome of ICSI pregnancies obtained with testicular sperm do not differentiate between obstructive (OA) and non-obstructive azoospermia (NOA). We evaluated the pregnancy outcome and neonatal data on children born after ICSI using testicular sperm of men with histologically proven OA or NOA. METHODS: Pregnancies obtained after ICSI using testicular sperm of men with defined NOA (n = 70) were compared with those of men with OA (n = 204). RESULTS: Multiple birth rates in NOA and OA couples, respectively, were 21 versus 27% (P = NS), overall preterm delivery rates were 38 versus 26% (NS), and prematurity rates were 24 versus 13% for singletons (NS) and 86 versus 54% for twins (relative risk 1.59, 95% confidence interval 1.04-2.42). Median gestational age for singletons was 38.3 versus 39.3 weeks, respectively (P < 0.05). The low birth weight rates were 34 versus 31%, respectively (NS). The early perinatal mortality rate was 66 versus 15 per 1000 births, respectively, (NS). Major congenital malformations were observed in 4 versus 3%, respectively, of the live born babies (NS). Prenatal karyotypes showed 7% de-novo abnormalities in the NOA group versus 1% in the OA group (NS). CONCLUSIONS: Our data do not show differences between NOA and OA pregnancies except for a strong tendency towards a lower gestational age in singletons and a higher percentage of premature twins in the NOA group. Although our data are based on a limited sample, the differences observed call for further analysis. Given the low pregnancy rates after ICSI with NOA, a multicentre study, differentiating NOA and OA patients, would be recommended.

Adult↗
PubMed2002

Strategies for prenatal and preimplantation genetic diagnosis in Marfan syndrome (MFS).

Marfan syndrome (MFS) is an autosomal dominant disorder with a prevalence of 2-3 per 10 000 individuals. Symptoms range from skeletal overgrowth, cutaneous striae to ectopia lentis and aortic dilatation leading to dissection. Prenatal diagnosis was until recently mainly performed in familial cases by linkage analysis. However, mutation detection has become available with thorough screening methods. The phenotypic variability observed in MFS makes reproductive options difficult, as molecular diagnosis cannot predict clinical severity of the disease. Data are presented on 15 prenatal and/or preimplantation genetic diagnoses (PGD) in nine families, originating from Belgium, the Netherlands, Spain and France. In four families data from linkage analysis were used, whereas in five other families the causative FBN1 mutation was characterised. Four PGD cycles in two couples led to one ongoing pregnancy. In addition, two amniocenteses and nine chorionic villus (CV) samplings were performed. In five pregnancies an affected fetus was diagnosed. In one of them, the couple chose to continue the pregnancy and an affected child was born, whereas the other four couples decided to terminate the pregnancy. It is expected that the greater availability of mutation testing of the FBN1 gene will increase requests for prenatal diagnosis. PGD appears to be an acceptable alternative for couples facing ethical reproductive dilemmas.

Adult↗
PubMed2001

Twelve novel mutations in the tissue-nonspecific alkaline phosphatase gene (ALPL) in patients with various forms of hypophosphatasia.

Hypophosphatasia is a rare inherited disorder characterized by defective bone mineralization and deficiency of serum and tissue liver/bone/kidney tissue alkaline phosphatase (L/B/K ALP) activity. We report here the characterization of tissue-nonspecific alkaline phosphatase (TNSALP) gene mutations in a series of 11 families affected by various forms of hypophosphatasia. Nineteen distinct mutations were found, 7 of which were previously reported. Eleven of the 12 new mutations were missense mutations (Y11C, A34V, R54H, R135H, N194D, G203V, E218G, D277Y, F310G, A382S, V406A), the last one (998-1G>T) was a mutation affecting acceptor splice site.

Adult↗
PubMed2001

Perinatal outcome of pregnancy after GnRH antagonist (ganirelix) treatment during ovarian stimulation for conventional IVF or ICSI: a preliminary report.

BACKGROUND: Gonadotrophin-releasing hormone (GnRH) antagonists have been proven safe and effective, with no adverse effects on offspring in animal studies. Careful study of pregnancy outcome in humans is mandatory. METHODS AND RESULTS: This preliminary report includes follow-up data of patients treated with the GnRH antagonist, ganirelix, during ovarian stimulation for IVF or ICSI. In total, 333 patients were randomized in a multicentre, double-blind, dose-finding study of ganirelix, at six different doses ranging from 0.0625 to 2 mg. In total, 68 vital intrauterine pregnancies were established that resulted in the birth of 46 singletons, 12 twins and one triplet. Follow-up of the 67 pregnant patients (one subject was lost to follow-up) revealed six miscarriages (9%). Of the 61 subjects with an ongoing pregnancy, two with a singleton pregnancy did not give birth to a live-born infant (one spontaneous abortion in week 19, and one intrauterine death in week 27). The mean gestational age was 39.4 weeks for singleton pregnancies, and 36.6 weeks for multiple pregnancies. In total, 73 infants (33 boys, 40 girls) were born. A birth weight <2500 g was reported for 8.7% and 54.2% of the infants resulting from singleton and twins delivery respectively. One major congenital malformation was diagnosed; a boy with Beckwith-Wiedemann syndrome (exomphalos and macroglossia). Seven minor malformations were reported among five infants. CONCLUSIONS: In this first follow-up study, the incidence of adverse obstetrical and neonatal outcome was comparable with reported incidences for IVF-embryo transfer pregnancies.

Adult↗