Outcome and long-term effects of pregnancy in women with hyperprolactinaemia

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Abstract

Twenty-four women with high circulating prolactin became pregnant on 39 occasions, of which 32 ended in delivery. Sixteen patients showed radiological evidence of pituitary tumour, 6 exhibited a normal CT and 2 had an empty sella. The pregnancies were induced in 4 patients after successful pituitary surgery, in 3 after surgery and medical treatment, and in the rest by bromocriptine (16) long-acting repeatable bromocriptine (1) and methergoline (1). No major complications related to hyperprolactinaemia or its treatment were observed during pregnancy in the patients or offspring. Prolactin after pregnancy was lower than before (basal 95 μg/l, after 1st pregnancy 38 μg/l P < 0.002, after 2nd pregnancy 24 μg/l P < 0.005 compared to basal prolactin); this prolactin reduction tended to be greater in the 9 multiparous patients, but did not attain statistical significance, probably because the number of multiparous patients was too small. A new empty sella developed after delivery in 4 women and persisted in another 2, all of which were medically treated; prolactin fell in all 6 cases normalizing in 3; 4 of these patients had undergone two or more pregnancies. The mean period of follow-up from the last pregnancy was 41.6 months (8-101). These data suggest that pregnancy may hasten a tendency to spontaneous improvement of hyperprolactinaemia, and multiparity may be benefitial in this way. © 1992.
Original languageEnglish
Pages (from-to)101-107
JournalEuropean Journal of Obstetrics and Gynecology and Reproductive Biology
Volume46
Issue number2-3
DOIs
Publication statusPublished - 23 Sep 1992

Keywords

  • Adenoma
  • Empty sella
  • Hyperprolactinemia
  • Pregnancy
  • Prolactin

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