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Post-partum anovulation in nursing mothers
H W Taylor1, R E Smith, S J Samuels
1School of Science and Technology, New Mexico Highlands University, Las Vegas 87701.
Journal of Tropical Pediatrics
|December 1, 1991
Summary
Frequent, short breastfeeding sessions may reduce postpartum ovulation risk. Maternal weight-for-height did not significantly impact ovulation timing in this study of 72 mothers.
Area of Science:
- Reproductive endocrinology
- Maternal-child health
- Lactational biology
Background:
- Breastfeeding is a natural method of birth spacing.
- The relationship between breastfeeding patterns and postpartum ovulation is complex.
- Maternal factors like weight may influence reproductive recovery.
Purpose of the Study:
- To investigate the association between breastfeeding frequency/duration and postpartum ovulation.
- To examine the impact of maternal weight-for-height on postpartum ovulation rates.
- To analyze data from nursing mothers trained in fertility awareness.
Main Methods:
- Analysis of breastfeeding and ovulation data from 72 nursing mothers.
- Application of a proportional hazards model to assess ovulation risk.
- Statistical evaluation of maternal weight-for-height effects on ovulation timing.
Main Results:
- A pattern of short, frequent breastfeeding bouts was associated with reduced susceptibility to postpartum ovulation.
- Infrequent, lengthy breastfeeding sessions correlated with a higher risk of postpartum ovulation.
- No significant effect of maternal weight-for-height on the monthly ovulation rate was detected.
Conclusions:
- Breastfeeding frequency and duration are critical factors in lactational amenorrhea.
- Short, frequent nursing bouts may enhance the contraceptive effect of breastfeeding.
- Maternal weight-for-height did not appear to be a significant predictor of postpartum ovulation in this cohort.