Інформація призначена тільки для фахівців сфери охорони здоров'я, осіб,
які мають вищу або середню спеціальну медичну освіту.

Підтвердіть, що Ви є фахівцем у сфері охорони здоров'я.

International journal of endocrinology 5 (45) 2012

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Breast size increment during pregnancy and breastfeeding in mothers with polycystic ovary syndrome...

Authors: Vanky E., Nordskar J., Leithe H. et al.

Categories: Endocrinology

Sections: Specialist manual

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Breast size increment during pregnancy and breastfeeding in mothers
with polycystic ovary syndrome: a follow-up study of a randomised controlled trial
on metformin versus placebo

Objective. To study the significance of breast size increment in pregnancy, and the impact of metformin during pregnancy on breastfeeding in women with polycystic ovary syndrome (PCOS).

Design. A follow-up study of a randomised controlled trial (the PregMet study).

Setting. Eleven secondary care centres.

Population. Women with PCOS during pregnancy and postpartum.

Methods. Women with PCOS were randomised to treatment with metformin or placebo from the first trimester to delivery. Questionnaires were sent to 240 participants 1 year postpartum: 186 res-ponded.

Main outcome measures. Pre-pregnancy and late-pregnancy brassiere size and breastfeeding patterns were registered, and androgen levels were measured in the mothers.

Results. No difference in breast size increment and breastfeeding were found between the placebo and metformin groups. Breast size increment correlated positively with the duration of both exclusive and partial breastfeeding, whereas body mass index (BMI) correlated negatively with the duration of partial breastfeeding. Dehydroepiandrostenedione-sulphate (DHEAS), testosterone and free testosterone index (FTI) in pregnancy did not correlate with breast size increment or duration of breastfeeding. Women with no change in breast size were more obese, had higher blood pressure, serum triglycerides and fasting insulin levels, and had a shorter duration of breastfeeding compared with those with breast size increment.

Conclusions. Metformin and androgens had no impact on breastfeeding. Women with PCOS who had no breast size increment in pregnancy seem to be more metabolically disturbed and less able to breastfeed.

British Journal of Obstetrics and Gynaecology. — July 2012

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