Pulsatile progesterone secretion: Its relevance to clinical evaluation of corpus luteum function

D. L. Healy, R. S. Schenken, A. Lynch, R. F. Williams, G. D. Hodgen

Research output: Contribution to journalArticle

47 Scopus citations

Abstract

Pulsatile progesterone (P) secretory patterns were characterized in rhesus macaques (n = 13) during the midluteal phase (cycle days 18 to 20) of the normal ovarian/menstrual cycle. Sixty high-amplitude (> 1 ng/ml) P pulses were observed during a total of 169 hours of sampling. Typically, P pulses had an ultradian periodicity of 2 hours and were independent of detectable luteinizing hormone (LH) and prolactin (PRL) pulses in 70% of instances. LH pulses were associated with a concomitant P and PRL pulse in 100% to 80% of occasions, respectively. Pulsatile P release was augmented by exogenous cynomolgus monkey LH and suppressed by administration of a gonadotropin-releasing hormone antagonist. Two individuals with apparently normal ovulation and once daily plasma P concentrations within the normal range demonstrated a nonpulsatile P profile. These findings encourage clinical investigations to characterize pulsatile P secretion in normal women and patients in whom corpus luteum dysfunction is suspected.

Original languageEnglish (US)
Pages (from-to)114-121
Number of pages8
JournalFertility and sterility
Volume41
Issue number1
DOIs
StatePublished - 1984
Externally publishedYes

ASJC Scopus subject areas

  • Reproductive Medicine
  • Obstetrics and Gynecology

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