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At least 397 records · Page 22Linked to original sources
PubMed1991

Home tests to monitor fertility.

Industry has been intimately involved in the development of products used in the monitoring of fertility at home. The perspective of industry and the development of such tests including their rationale are presented. The methods taken by industry to utilize current technology in the development of reliable, rapid, one-step tests for urinary human chorionic gonadotropin and luteinizing hormone and the subsequent expansion into other areas are covered.

Antibodies, Monoclonal↗
PubMed1993

Salivary ferning and the menstrual cycle in women.

The Authors report the data relative to the monitoring of menstrual cycle carried out by the observation of salivary ferning. They compared the usual physical and hormonal parameters of four groups of women with the aspect of the crystallisation of the saliva observed both by normal optical microscope and by a special type of pocket microscope which can be used by women themselves. In conclusion the Authors report a careful examination of the biochemical correlation relating the women's hormonal climate and its salivary constituents.

Adolescent↗
PubMed1991

Fetal outcome among pregnancies in natural family planning acceptors: an international cohort study.

This international, multicenter, prospective cohort study examines the outcome of pregnancies associated with aging gametes. Comparing pregnancies conceived at or near the peak mucus phase with those occurring before or after the peak provides a means of evaluating the effect of aging gametes. The outcome criteria are (1) rates of spontaneous abortion, (2) low birth weight, and (3) congenital malformations. Preliminary analysis shows a trend toward increased spontaneous abortion with aging gametes in certain subsets (women with prior pregnancy losses) but no effect on birth weight. Too few method failures have yet been studied to make a definitive statement on congenital malformations.

Family Planning Services↗
PubMed1991

Efficacy of the symptothermal method of natural family planning in lactating women after the return of menses.

This study was designed to determine the efficacy of the symptothermal method of natural family planning during lactation. Although the method appears to give a reasonable reflection of fertility potential over time, it overlaps with the profound influence of lactation in both ovulation suppression and the delay of luteal phase adequacy. Further analysis is planned to attempt to identify those particular mucus signs and symptoms that are helpful during the transition from lactational amenorrhea to normal cycling.

Body Temperature↗
PubMed1985

Lactation and postpartum infertility: the use-effectiveness of natural family planning (NFP) after term pregnancy.

The use-effectiveness of natural methods of family planning in lactation is evaluated by comparing the incidence of unplanned pregnancies in a group of nursing mothers practising these methods with the incidences reported previously in surveys of breastfeeding women using no contraception. The complexity of the physiological processes involved in the resumption of ovulation after term pregnancy is discussed in relation to NFP and the problems encountered by its users in the context of normal family life. The serum prolactin and gonadotrophin levels are correlated with the postpartum interval and nursing status of the participants and discussed in relation to NFP after childbirth.

Adult↗
PubMed1979

Cervical mucus and prediction of the time of ovulation.

12 normal ovulatory women were studied during 17 menstrual cycles. The first day on which the women had increasing quantities of 0.1 ml or more clear cervical mucus (IQCCM) was closely related to the time of ovulation as monitored by basal body temperature and radioimmunoassay of serum-luteinizing hormone, follicle-stimulating hormone, estradiol, and progesterone. The results show that the time of ovulation can be predicted clinically without specialized tests by observing the day of onset of IQCCM.

Adult↗
PubMed1994

Sex, drugs, relationships, contraception, and fears of disease on a college campus over 17 years.

Sexual behavior was surveyed in 1991 for the fourth time in 17 years at a northeastern college with 98 male and 148 female participants. Variables included virginity, religiosity, relationship to parents, relationship to last sex partner, sex philosophy, attractiveness, drug use, contraceptives used, fear of AIDS and effect of this fear on behavior. Results indicated a 91% nonvirginity rate for men, 76% for women. Both genders initiated sex at the same age. Men exhibited a more liberal sexual philosophy. Neither gender had a sexual double standard. Women's attractiveness, but not men's, related to nonvirginity. Relationship with parents was not associated with virginity, but religiosity was. Drug use was related to nonvirginity. Frequent drug users had less commitment to last sex partner than did infrequent users. Nondisease-protective contraceptive methods decreased. Despite fear of AIDS, only one-third of the students practiced "safe sex" consistently, and men were less concerned with practicing it than women. Commitment has not increased since the 1986 survey.

Adult↗
PubMed1991

Natural family planning and sex selection: fact or fiction?

Determining sex of offspring by timing of intercourse has been a subject of intense interest for the lay public and professional community. This metaaanalysis of couples practicing natural family planning provides an opportunity to evaluate sex ratios in relation to the timing of conception with several parameters, including basal body temperature shift and peak mucus as markers of ovulation. Data from six studies show a statistically significant lower proportion of male births among conceptions that occur during the most fertile time of the cycle.

Body Temperature↗
PubMed1991

Ultrasonographic patterns of ovarian activity during breastfeeding.

In this study, ultrasonography was used to detect follicular activity in lactating women, and these findings were related to the underlying hormonal profiles and to the mucus symptom. A number of different patterns of follicular development were seen before the women returned to normal fertile cycles during the period that was previously considered to be characterized by ovarian quiescence. Some of the transitory patterns of follicular activity were reflected in rising hormone levels and patterns of fertile mucus that were sometimes confusing for these lactating women who were using natural family planning.

Breast Feeding↗
PubMed1998

Evaluation of the Lady Free Biotester in determining the fertile period.

Small hand-held microscopes have been developed for self-observation of salivary ferning patterns to detect the fertile time of a woman's menstrual cycle. The purpose of this study was to evaluate one such microscope, the Lady Free Biotester, by comparing it with the self-observation of cervical-vaginal mucus and with the self-detection of luteinizing hormone (LH) in the urine. Twelve natural family planning teachers (average age 34.6 years) observed their cervical-vaginal mucus, tested their urine for LH, and observed salivary and cervical-vaginal mucus ferning patterns (with the Lady Free Biotester) for two menstrual cycles. Data indicated that there was a strong correlation between the LH in the urine and the peak in self-observed cervical-vaginal mucus ferning (r = 0.99, p < or = 0.001) and salivary ferning (r = 0.98, p < or = 0.001). However, it was difficult to assess the beginning and end of the fertile time based on the salivary ferning patterns. Further testing of salivary ferning patterns is recommended before widespread use of these devices for family planning.

Adult↗
PubMed1997

Fertility awareness in women attending a fertility clinic.

Eighty women attending for consultation at a tertiary referral fertility unit over a 3-month period were surveyed for their knowledge of fertility awareness and how they used this information to enhance their chances of conception. It was hypothesized that less than 50% of the subjects had an adequate understanding of when the fertile time occurred in their menstrual cycle. A questionnaire was completed anonymously by each subject and these were scored in 3 categories for fertility awareness by 2 independent Natural Family Planning teachers. Scores ranged from 0 for women who had no concept of fertility awareness, to 6 for women who were highly aware. The results showed that 26% (N = 21) of subjects had a score of 4 or greater which was considered as having an adequate understanding. The hypothesis was accepted, giving reason for concern about the effectiveness of consumer education at all levels of fertility investigation.

Adult↗