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Fertility regulation in nursing women: V. Long-term influence of a low-dose combined oral contraceptive initiated at day 90 postpartum upon lactation and infant growth.
Contraception. 1983 Jan; 27(1):27-38.C

Abstract

The study was designed to test the long-term influence of a low-dose oral contraceptive upon lactation and infant growth when treatment was initiated at day 90 postpartum. The contraceptive tested contained ethinyl estradiol 0.03 mg and levonorgestrel 0.15 mg. The control group was formed by women who chose non-hormonal contraception at the same postpartum time. Only cases who were in exclusive breast-feeding with a minimal infant daily weight increase of 20 g per day during the third month of age were included. The oral contraceptive group showed a significantly lower percentage of cases in full nursing from the 6th postpartum month and a significantly lower infant weight increase during the 4th month of age when compared to the control group. No differences were found in the absolute infant weight up to one year of age. No adverse side effects upon infant's health were detected. It was concluded that the oral contraceptive tested showed a moderate inhibitory influence upon lactation when treatment was initiated at day 90 postpartum.

Authors

No affiliation info availableNo affiliation info availableNo affiliation info availableNo affiliation info availableNo affiliation info availableNo affiliation info availableNo affiliation info availableNo affiliation info availableNo affiliation info available

Pub Type(s)

Journal Article
Research Support, Non-U.S. Gov't

Language

eng

PubMed ID

6404597

Citation

Peralta, O, et al. "Fertility Regulation in Nursing Women: V. Long-term Influence of a Low-dose Combined Oral Contraceptive Initiated at Day 90 Postpartum Upon Lactation and Infant Growth." Contraception, vol. 27, no. 1, 1983, pp. 27-38.
Peralta O, Díaz S, Juez G, et al. Fertility regulation in nursing women: V. Long-term influence of a low-dose combined oral contraceptive initiated at day 90 postpartum upon lactation and infant growth. Contraception. 1983;27(1):27-38.
Peralta, O., Díaz, S., Juez, G., Herreros, C., Casado, M. E., Salvatierra, A. M., Miranda, P., Durán, E., & Croxatto, H. B. (1983). Fertility regulation in nursing women: V. Long-term influence of a low-dose combined oral contraceptive initiated at day 90 postpartum upon lactation and infant growth. Contraception, 27(1), 27-38.
Peralta O, et al. Fertility Regulation in Nursing Women: V. Long-term Influence of a Low-dose Combined Oral Contraceptive Initiated at Day 90 Postpartum Upon Lactation and Infant Growth. Contraception. 1983;27(1):27-38. PubMed PMID: 6404597.
* Article titles in AMA citation format should be in sentence-case
TY - JOUR T1 - Fertility regulation in nursing women: V. Long-term influence of a low-dose combined oral contraceptive initiated at day 90 postpartum upon lactation and infant growth. AU - Peralta,O, AU - Díaz,S, AU - Juez,G, AU - Herreros,C, AU - Casado,M E, AU - Salvatierra,A M, AU - Miranda,P, AU - Durán,E, AU - Croxatto,H B, PY - 1983/1/1/pubmed PY - 1983/1/1/medline PY - 1983/1/1/entrez KW - Biology KW - Breast Feeding KW - Child Development KW - Contraception KW - Contraceptive Methods--contraindications KW - Contraceptive Methods--side effects KW - Demographic Factors KW - Family Planning KW - Growth KW - Health KW - Infant Nutrition KW - Lactation KW - Maternal Physiology KW - Nutrition KW - Oral Contraceptives, Low-dose KW - Oral Contraceptives--contraindications KW - Oral Contraceptives--side effects KW - Physiology KW - Population KW - Population Dynamics KW - Time Factors SP - 27 EP - 38 JF - Contraception JO - Contraception VL - 27 IS - 1 N2 - The study was designed to test the long-term influence of a low-dose oral contraceptive upon lactation and infant growth when treatment was initiated at day 90 postpartum. The contraceptive tested contained ethinyl estradiol 0.03 mg and levonorgestrel 0.15 mg. The control group was formed by women who chose non-hormonal contraception at the same postpartum time. Only cases who were in exclusive breast-feeding with a minimal infant daily weight increase of 20 g per day during the third month of age were included. The oral contraceptive group showed a significantly lower percentage of cases in full nursing from the 6th postpartum month and a significantly lower infant weight increase during the 4th month of age when compared to the control group. No differences were found in the absolute infant weight up to one year of age. No adverse side effects upon infant's health were detected. It was concluded that the oral contraceptive tested showed a moderate inhibitory influence upon lactation when treatment was initiated at day 90 postpartum. SN - 0010-7824 UR - https://www.unboundmedicine.com/medline/citation/6404597/Fertility_regulation_in_nursing_women:_V__Long_term_influence_of_a_low_dose_combined_oral_contraceptive_initiated_at_day_90_postpartum_upon_lactation_and_infant_growth_ L2 - https://linkinghub.elsevier.com/retrieve/pii/0010-7824(83)90053-7 DB - PRIME DP - Unbound Medicine ER -