Oestradiol‐17β and progesterone level changes in peritoneal fluid around the time of ovulation

Roy F.P.M. Kruitwagen, H.A.B. Janssen-Caspers, Henny A.B. Janssen-Caspers, J. W. Wladimiroff, R. Schats, Frank H. de Jong, A. C. Drogendijk
In: BJOG: An International Journal of Obstetrics & Gynaecology · 1987 · vol. 94(6) , pp. 548–553 · doi:10.1111/j.1471-0528.1987.tb03149.x · PMID:3304400 · W1995759060
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Abstract

In 15 women, peritoneal fluid was obtained by either culdocentesis (n = 20) or laparoscopy (n = 3), before (n = 9) and after (n = 14) ovulation. Ultrasound was used for ovulation detection. Before ovulation the mean oestradiol-17 beta level in plasma and peritoneal fluid was not essentially different; the mean progesterone level was significantly higher in peritoneal fluid. After ovulation both the mean oestradiol-17 beta and progesterone levels were significantly higher in peritoneal fluid than in plasma. In peritoneal fluid, there was a wide distribution of individual oestradiol-17 beta values before and after ovulation; no significant difference existed between the mean pre- and postovulatory oestradiol-17 beta level. More consistent changes were seen in peritoneal fluid progesterone levels; the mean level was significantly higher after ovulation. In three subjects, a low postovulatory progesterone level in peritoneal fluid was associated with a cystic luteal structure observed by ultrasound, suggesting a reduced leakage of fluid from the ovulation stigma.

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