Serum Progesterone Monitoring in Post-Molar Surveillance

Steven A. Vasilev, John B. Schlaerth, Chul Ahn, Mark V. Sauer

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Abstract

Serial serum progesterone and β human chorionic gonadotropin (βhCG) levels were measured during surveillance of 24 women at risk for development of gestational trophoblastic neoplasia (GTN) following evacuation of complete molar gestations. Six of the 24 patients developed post-molar GTN. The initial median progesterone level of 76 ng/ml in these six patients drawn at evacuation was significantly higher than the median of 18 ng/ml in those not developing GTN (P = 0.026). Additionally, the serum progesterone decreased to <5 ng/ml within a week of evacuation in 16/18 patients without GTN. In 5/6 GTN cases, levels of progesterone remained >5 ng/ml for ≥3 weeks of the surveillance period (P < 0.05). Serum βhCG levels required 4-11 weeks of surveillance to distinguish between nonpersistent cases and GTN. We conclude that serial serum progesterone levels measured during post-molar surveillance parallel βhCG regression.

Original languageEnglish (US)
Pages (from-to)288-291
Number of pages4
JournalGynecologic Oncology
Volume54
Issue number3
DOIs
Publication statusPublished - Sep 1994

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ASJC Scopus subject areas

  • Oncology
  • Obstetrics and Gynecology

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