Fertility regulation in nursing women: IV. Long-term influence of a low-dose combined oral contraceptive initiated at day 30 postpartum upon lactation and infant growth

H. B. Croxatto, S. Díaz, O. Peralta, G. Juez, C. Herreros, M. E. Casado, A. M. Salvatierra, P. Miranda, E. Durán

Resultado de la investigación: Article

43 Citas (Scopus)

Resumen

The study was designed to test the long-term influence of a low-dose combined oral contraceptive upon lactation and infant growth when treatment was initiated at day 30 postpart um. The contraceptive tested contained ethinyl estradiol 0.03 mg and levonorgestrel 0.15 mg. Two control groups were formed by women who received an injectable placebo or a Copper T at day 30 postpartum. Women in the injectable placebo group received non-hormonal contraceptives at day 90 postpartum. An exacting list of requirements for admission and continuation in the study was applied to all groups. The oral contraceptive group had a significantly lower percentage of cases in full nursing from the 4th through the 10th postpartum month when compared to both control groups. The average absolute weight of infants in the oral contraceptive group was significantly lower at several ages when compared to the placebo group but not when compared to the Copper T group. 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 the beginning of the second postpartum month.

Idioma originalEnglish
Páginas (desde-hasta)13-25
Número de páginas13
PublicaciónContraception
Volumen27
N.º1
DOI
EstadoPublished - 1 ene 1983

Huella dactilar

Contraceptives, Oral, Combined
Oral Contraceptives
Lactation
Postpartum Period
Fertility
Nursing
Placebos
Growth
Contraceptive Agents
Copper
Levonorgestrel
Control Groups
Injections
Ethinyl Estradiol
Weights and Measures
Therapeutics

ASJC Scopus subject areas

  • Reproductive Medicine
  • Obstetrics and Gynaecology

Citar esto

Croxatto, H. B. ; Díaz, S. ; Peralta, O. ; Juez, G. ; Herreros, C. ; Casado, M. E. ; Salvatierra, A. M. ; Miranda, P. ; Durán, E. / Fertility regulation in nursing women : IV. Long-term influence of a low-dose combined oral contraceptive initiated at day 30 postpartum upon lactation and infant growth. En: Contraception. 1983 ; Vol. 27, N.º 1. pp. 13-25.
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Fertility regulation in nursing women : IV. Long-term influence of a low-dose combined oral contraceptive initiated at day 30 postpartum upon lactation and infant growth. / Croxatto, H. B.; Díaz, S.; Peralta, O.; Juez, G.; Herreros, C.; Casado, M. E.; Salvatierra, A. M.; Miranda, P.; Durán, E.

En: Contraception, Vol. 27, N.º 1, 01.01.1983, p. 13-25.

Resultado de la investigación: Article

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AU - Díaz, S.

AU - Peralta, O.

AU - Juez, G.

AU - Herreros, C.

AU - Casado, M. E.

AU - Salvatierra, A. M.

AU - Miranda, P.

AU - Durán, E.

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N2 - The study was designed to test the long-term influence of a low-dose combined oral contraceptive upon lactation and infant growth when treatment was initiated at day 30 postpart um. The contraceptive tested contained ethinyl estradiol 0.03 mg and levonorgestrel 0.15 mg. Two control groups were formed by women who received an injectable placebo or a Copper T at day 30 postpartum. Women in the injectable placebo group received non-hormonal contraceptives at day 90 postpartum. An exacting list of requirements for admission and continuation in the study was applied to all groups. The oral contraceptive group had a significantly lower percentage of cases in full nursing from the 4th through the 10th postpartum month when compared to both control groups. The average absolute weight of infants in the oral contraceptive group was significantly lower at several ages when compared to the placebo group but not when compared to the Copper T group. 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 the beginning of the second postpartum month.

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