PMID: 2494621Apr 1, 1989Paper

Luteal phase hyperprolactinemia during ovulation induction with human menopausal gonadotropins: incidence, recurrence, and effect on pregnancy rates

Obstetrics and Gynecology
P D TippetR J Falk

Abstract

Hyperprolactinemia may develop during ovulation induction with human menopausal gonadotropins and hCG (hMG/hCG). Because elevated serum prolactin (PRL) has several adverse effects on female reproductive function, this event has been implicated as a factor to explain the difference between ovulation and pregnancy rates in hMG/hCG treatment cycles. The incidence and severity of hyperprolactinemia in the luteal phase of hMG/hCG-stimulated cycles was investigated in a large series of patients. We analyzed 240 consecutive, ovulatory hMG/hCG cycles in 96 women from July 1984 to January 1986. All women had failed to conceive with clomiphene citrate, and had normal luteal phase PRL levels during unstimulated cycles. Daily serum total estrogens were determined during hMG administration. Serum progesterone and PRL were determined in the mid-luteal phase (7 days post-hCG administration). In 7.5% of the cycles, luteal phase PRL elevations were greater than 25 ng/mL. Only 2.5% of cycles had levels of PRL greater than 35 ng/mL. Hyperprolactinemia infrequently recurred in different cycles of the same patient (two of 16 patients, 12.5%). Cycles with hyperprolactinemia were found to have significantly higher preovulatory estrogen levels. Serum ...Continue Reading

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