Effect of hormonal contraceptives during breastfeeding on infant's milk ingestion and growth  

Oleh:

Bahamondes, Luis ; Bahamondes, M. Valeria ; Modesto, Waleska ; Tilley, Ian B. ; Magalhaes, Alvicler

Jenis: Article from Journal - ilmiah internasional
Dalam koleksi: Fertility and Sterility (keterangan: ada di ClinicalKey) vol. 100 no. 02 (Aug. 2013), page 445-450.
Topik: Breastfeeding; combined oral contraceptives; contraceptive implant; hormonal contraceptives; levonorgestrel-releasing intrauterine system; deuterium

Ketersediaan

Perpustakaan FK Nomor Panggil: F02.K.2013.01 Non-tandon: 1 (dapat dipinjam: 0) Tandon: tidak ada

Lihat Detail Induk

Isi artikel

Objective To measure infants' breast milk intake and infant growth when their mothers initiated either combined oral contraceptive (COC), levonorgestrel-releasing intrauterine system, or etonogestrel-releasing implant, or copper intrauterine device (IUD) as a reference group. Design Prospective trial. Setting University-based hospital. Patient(s) On postpartum day 42, 40 women initiated a contraceptive method according to their choice. Intervention(s) Deuterium (D2O; 0.5 g/kg mother's weight) was ingested by mothers on postpartum days 42, 52, and 63 as a marker of total body fluid. Main Outcome Measure(s) Infants' milk intake from 42 to 63 postpartum days was assessed by measurement of D2O levels in infants' saliva and infant growth by measuring their body weight, height, and tibia length. Women recorded all infant feed and changes of diapers wet with urine. Breastfeeding continuation was assessed at 6 months postpartum. Result(s) Infant mean milk intake, mean growth increase, mean number of breastfeeding episodes, daily wet diaper changes, and mean duration of exclusively breastfeeding (~5 months) were similar in the four groups. Conclusion(s) Use of a COC, the two progestin-only contraceptives, or copper IUD did not affect the amount of infant milk intake and growth up to 9 weeks of age. The incidence of full breastfeeding and breastfeeding continuation was similar with contraceptive hormonal use and no use. Clinical Trials Registration Number NCT01388582.

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