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At least 19 recordsLinked to original sources
PubMed2026

Perinatal depression, maternal thyroid status and fetus/infant health and development: A systematic review.

BACKGROUND: Thyroid hormones are known to influence both maternal depression and child developmental outcomes, while maternal depression independently affects child outcomes. The potential interaction between thyroid dysfunction and depression in shaping child development remains insufficiently explored. The present study addresses such interplay. METHODS: Following PRISMA 2020 and JBI guidelines, three databases were searched through December 2025 for primary studies on maternal thyroid status, perinatal depression, and child development. Risk of bias (RoB) was assessed using validated tools. Due to clinical and methodological heterogeneity, data were synthesized narratively following SWiM guidelines. RESULTS: Eleven studies were included. Beyond independent risks for preterm birth and behavioral problems, limited evidence supports a synergistic model, while most studies likely reflect the simple co-occurrence of risks. Maternal thyroid peroxidase antibodies (TPO-Ab) were associated with child externalizing problems exclusively in the presence of clinical depression. High depressive symptoms also attenuated the cognitive benefits of prenatal iodine supplementation. Thyroid status appears to function as a risk moderator rather than a mediator. However, 50% of observational studies presented high RoB, primarily due to participant attrition. CONCLUSION: Findings are still scarce to support a synergistic risk model where specific maternal thyroid parameters (i.e. thyroid autoimmunity and iodine status) may moderate the impact of depressive symptoms on child development. Despite the high RoB in half of the studies, results highlight the need for integrated screening protocols. Simultaneously assessing mental health and thyroid status may optimize risk stratification for high-risk mother-infant dyads.

Female↗
PubMed2026

Epigenetic clues: Predicting maternal depression through DNA methylation.

Perinatal depression (PND) is a prevalent and multifactorial mood disorder affecting approximately 10-20 % of women globally, with higher burdens reported in low- and middle-income countries. Despite the availability of screening tools such as the Edinburgh Postnatal Depression Scale, these approaches primarily identify risk without elucidating underlying biological mechanisms. Emerging evidence highlights the role of epigenetic regulation particularly DNA methylation as a key mediator linking genetic susceptibility and environmental exposures during the perinatal period. This review synthesizes current knowledge on DNA methylation dynamics in maternal depression, emphasizing both candidate gene and epigenome-wide association study (EWAS) approaches. Candidate gene studies have identified differential methylation in stress-related pathways, including HPA axis genes (NR3C1, FKBP5), serotonergic signalling (SLC6A4), and oxytocin pathways (OXTR), though findings remain limited by poor reproducibility and small sample sizes. In contrast, EWAS provides a hypothesis-free framework, identifying novel differentially methylated positions and regions associated with PND, including predictive CpG panels with potential diagnostic utility. The review also highlights the importance of tissue specificity, temporal epigenetic remodeling across pregnancy, and the interplay between maternal and fetal epigenomes. Furthermore, methodological challenges such as heterogeneity in study design, lack of replication, and analytical inconsistencies remain barriers to clinical translation. Integrating genetic, epigenetic, and environmental data through multi-omics approaches may enhance predictive accuracy and improve early intervention strategies. Overall, DNA methylation represents a promising avenue for understanding the biological underpinnings of PND and developing robust biomarkers for risk prediction and personalized care.

Humans↗
PubMed1977

Behaviour problems in pre-school children: family and social factors.

In a group of 99 three-year-old children with behaviour problems identified in an epidemiological survey, family and social factors were compared with those in a group of controls. Behaviour problems were significantly associated with a strained marital relationship between parents, with social stresses and with type of housing. There was a high rate of maternal depression in both problem and control groups. The interaction between a behaviour problem in a young child, maternal mental health and social factors is discussed.

Child Behavior Disorders↗
PubMed1976

Depressed mixed lymphocyte culture reactivity in mothers with recurrent spontaneous abortion.

One-way mixed wife-husband lymphocyte culture (MLC) reaction as well as human lymphocyte antigen (HLA) typing were performed on 29 couples, most of whom were infertile because of recurrent spontaneous abortion, and compared with 35 fertile couples with no abortion history. The 29 couples had been selected from 280 couples with a karyotyped spontaneous abortion. A significantly depressed MLD response (P=0.04) was observed in mothers of karyotypically normal abortuses when stimulated by the fathers but not when they were stimulated by males from the fertile couples. No significant difference in the frequency of HLA-A-and HLA-B-incompatible matings, respectively, was found between the abortion and the fertile couples. It is concluded that depressed maternal cellular response to paternal stimulation can be explained as a consequence of recurrent spontaneous abortion and that it is uncertain whether this depressed response plays a role in the etiology of recurrent abortion.

Abortion, Habitual↗
PubMed1979

Adrenocorticotropin and glucocorticoid concentrations in fetal and maternal plasma of rabbit does continuously infused with cortisol from day 21 to day 24 of gestation.

Previous studies have suggested that suppression of fetal rabbit adrenocorticotropin (ACTH) secretion results in impaired development of ACTH-specific adenylate cyclase activity. In order to test this hypothesis we measured fetal and maternal plasma ACTH, cortisol, and corticosterone concentrations in control does and does infused with 0.3 mg of cortisol/hour at 21 to 24 days of gestation. This cortisol infusion regimen significantly depressed maternal and fetal plasma ACTH and corticosterone concentrations but did not change fetal serum cortisol concentrations. These findings further support the hypothesis that fetal ACTH plays a role in the normal development of the adenylate cyclase catalytic portion of the ACTH receptor complex and adrenal differentiation during this critical period of fetal life.

Adenylyl Cyclase Inhibitors↗
PubMed1978

Is measurement of placental function and maternal weight worth while?

A prospective survey of 1029 women delivered during 1976 at St. Bartholomew's Hospital was undertaken to assess the predictive value of a variety of clinical, ultrasonic, and biochemical variables in the detection of high-risk pregnancies. The best antenatal predictors of fetal risk were severe pre-eclampsia, depressed maternal serum levels of human placental lactogen, low maternal weight at 32 weeks' gestation, and heavy smoking by the mother. 62% of the high-fetal risk group had one or more of these features, but so did 33% of the controls.

Body Weight↗
PubMed1992

Lead exposure and child behavior.

OBJECTIVES: Unlike cognitive impairments associated with lead exposure, lead-associated child behavior problems have been difficult to specify, particularly in young children. METHODS: The Child Behavior Checklist (CBCL) and the Center for Epidemiologic Studies Depression Scale were used as the outcome and confounding variables, respectively, of major interest. These measures were examined with respect to blood lead levels of 201 African-American children aged 2 through 5 years. RESULTS: In comparison with the low exposed group, the high exposed group (two consecutive blood lead levels greater than or equal to 15 micrograms/dL) had a significantly higher mean CBCL Total Behavior Problem Score (TBPS) and Internalizing and Externalizing scores; when other factors, including maternal depressive symptomatology, were controlled for, regression procedures indicated a .18-point TBPS increase for each unit increase in lead and a 5.1-point higher TBPS in the high exposed group; children in this group were 2.7 times more likely to have a TBPS in the clinical range. CONCLUSIONS: Through its use of a standardized parent-report measure of behavior and its consideration of maternal morale in multiple linear and logistic regression procedures, this study provides further evidence of lead's detrimental effect on child behavior at levels typical of present-day exposure.

Academies and Institutes↗
PubMed1976

Naloxone in the parturient and her infant.

Eighteen women in labor received analgesia with moderately large total doses of meperidien. Various doses of naloxone (8, 12, 18, 27, 40, or 60mug/kg of body weight) were given intravenously to the mothers before delivery in an attempt to find the dose that would prevent neonatal narcotic depression. Maternal and neonatal blood gas values, Apgar scores, and postnatal neurobehavioral examinations were used to assess the effects. Infants born of mothers who had received neither meperidine, promethazine, nor naloxone served as controls. After the naloxone injection, the mothers showed an improvement in consciousness and blood gas values. When the study infants, as a group, were compared with control infants, there was very little difference in blood gas values or neurobehavioral examination. Infants in the groups receiving naloxone in doses of 18, 27, and 40mug/kg compared most favorably with the control infants, indicating that naloxone may be effective in preventing neonatal narcotic depression.

Adult↗
PubMed1992

Sources of distress among New Zealand adolescents.

This study examined sources of distress experienced by 15-year-old adolescents in a large sample from the general population. We identified four types of stressful life circumstances relating to problems of self-image and independence, academic and physical competence, parental conflict, and moving residence and schools. Girls reported higher levels of distress for the first three types of circumstance. Reports of distress were associated with poor family social support, maternal depression and parental separation. Both DSM-III disorder and poor social competence were associated with differential patterns of distress. Lastly, poor social competence and high distress were independent and additive predictors of mental health disorders.

Adaptation, Psychological↗
PubMed1977

An inhibitor of lymphocyte proliferation and lymphokine production released by unstimulated foetal monocytes.

Supernatants obtained from 3-day cultures of cord blood monocytes inhibited normal lymphocyte activation by either PHA or in a two-way MLC. Both lymphocyte transformation and lymphokine production was significantly inhibited by these supernatants but not by those derived from adult mononuclear cell cultures. The inhibitory material produced by foetal monocytes was dialysable and was non-cytotoxic to target cells. It is postulated that this factor contributes to the depressed maternal cell-mediated immune response observed in pregnancy.

Female↗
PubMed2026

Assessing perinatal depression identifying abilities among maternal and child health workers in rural China using smartphone-based virtual patients: a multi-center cross-sectional study.

OBJECTIVE: To assess rural maternal and child health (MCH) workers' virtual patients (VPs)-assessed performance in identifying perinatal depression (PND) using smartphone-based VPs, and to identify factors associated with this performance in rural Hunan, China. METHODS: A multicentre cross-sectional study was conducted in Hunan Province, China. A standardized questionnaire collected demographic and work-related characteristics of rural MCH workers. Smartphone-based VPs were used to assess PND identification performance in a simulated clinical scenario. An overall score ≥60 was used as a prespecified operational benchmark across consultation, ancillary assessment, diagnosis, management, and health education domains. Data were analyzed using SPSS 26.0. RESULTS: A total of 375 rural MCH workers participated, yielding an effective response rate of 90.4%. Only 25.9% met the prespecified operational benchmark for VP-assessed PND identification performance. The mean accuracy scores for consultation, ancillary assessment, diagnosis, management, and health education were 94%, 48%, 64%, 58%, and 74%, respectively. Complete consultation accuracy was higher among MCH workers from township health centers than among those from county-level MCH hospitals. MCH workers aged 18-39 years showed higher odds of complete diagnostic accuracy for PND than those aged ≥40 years. CONCLUSIONS: Smartphone-based VP assessment was feasible in rural MCH settings and revealed suboptimal PND identification performance. Mobile VPs may help identify frontline performance gaps and inform targeted training, but further validation against real-world clinical performance, or standardized patient encounters is needed before large-scale implementation. These findings may support targeted capacity-building for rural MCH workers and more equitable perinatal mental health care.

Humans↗
PubMed1979

Parental characteristics in relation to depressive disorders.

Using a reliable and valid measure of reported parental care and overprotection (the Parental Bonding Instrument) patients with two types of depressive disorder were compared with a control group, and the relationships to depressive experience examined in a non-clinical group as well. Bipolar manic-depressive patients scored like controls whereas neurotic depressives reported less parental care and greater maternal overprotection. Depressive experience in the non-clinical group was negatively associated with low parental care and weakly associated with parental overprotection.

Adjustment Disorders↗
PubMed1975

The effect of maternal hypothyroidism on maternal and fetal tissue glucose-1-14C incorporation in rats.

These experiments were conducted to help elucidate the mechanism for the impaired fetal development occurring during maternal hypothyroidism. The disposition of glucose was measured using glucose-1-14C. Maternal hypothyroidism depressed glucose utilization in thematernal-fetal system. Maternal net glycogen synthesis from the labeled glucose was impaired. However, while the fetal glycogen storage system may be capable of at least relatively normal glycogen synthesis, abnormally low levels of glycogen were measured. If, as the data suggest, enzymatic deficiencies do not exist, the low liver glycogen might be a result of the inability of the maternal-placental system to provide adequate substrate to the fetus.

Animals↗
PubMed1979

Maternal T-lymphocyte response and gingivitis in pregnancy.

The exacerbation of a chronic gingivitis during pregnancy was confirmed in a group of 24 pregnant patients who were observed at the 14th and 30th weeks of pregnancy and postpartum. This exacerbation occurred despite a fall in the amount of plaque accumulation and confirmed that during pregnancy some factor in addition to plaque is involved in the increased inflammation. Using in vitro methods, it was shown that during pregnancy there is a depression of maternal T-cell responsiveness and it is suggested that this depression of the cell-mediated immune response could be a factor in the altered responsiveness of the gingival tissues to plaque. However lymphocytes responses to Veillonella alkalescens ultrasonicate (a plaque antigen) were generally poor and it was not possible to demonstrate any significant difference between the altered responsiveness of maternal lymphocytes to Veillonella and those of nonpregnant controls.

Adolescent↗
PubMed1979

Naloxone reversal of mild neurobehavioral depression in normal newborn infants after routine obstetric analgesia.

To investigate the presence of subtle narcotic depression following maternal narcotic analgesia, we have evaluated the effects of naloxone versus placebo in a double-blind parallel group study in 43 normal term newborn infants whose mothers had received routine narcotic analgesia within six hours prior to delivery. Infants were given either an intramuscular injection of 20 microgram/kg naloxone or 0.20 ml/kg placebo after determination of the one-minute Apgar score, and the following measurements were compared: Apgar scores at one and five minutes, capillary blood gas values at one, 60, 120, and 240 minutes, and neurobehavioral assessments at one, 4, and 24 hours. No adverse effects from naloxone were observed. Neither Apgar scores nor capillary blood gas determinations differed significantly between the two groups. Response to sound was significantly higher in the naloxone group at 24 hours. The alertness score was significantly higher for the naloxone group at one and four hours; the general assessment score for the naloxone group was significantly higher at four and 24 hours. Average scores of naloxone and placebo groups were also different at four and 24 hours of age. These data demonstrate that maternal narcotic analgesia may produce subtle changes in alertness and general behavior not reflected by Apgar scores or respiratory status, potentially reversible by administration of naloxone shortly following delivery.

Anesthesia, Obstetrical↗