Korean J Perinatol.  2003 Sep;14(3):284-289.

Maternal Serum CA 125 Levels in Intrauterine Pregnancy and Abortion in the First Trimester

Affiliations
  • 1Department of Obstetrics and Gynecology, Samsung Cheil Hospital and Women's Healthcare Center, Sungkyunkwan University School of Medicine, Seoul, Korea. miyeonchoi@hanmail.net
  • 2Department of Obstetrics and Gynecology, College of Medicine, Pochon CHA University, Seoul, Korea.

Abstract


OBJECTIVE
The study was carried out to assess whether a sudden rise in the serum CA 125 level might predict spontaneous abortion in the first trimester. In the process, we assessed the clinical value of maternal CA 125 in patients with missed abortion and evaluate the prognostic significance of CA 125 in early normal pregnancies, threatened abortions. The purpose of this study was to prospectively compare serum CA 125 levels among women who abort in the first trimester, who experience threateneda bortion and who go through normal pregnancy.
METHODS
Between March 2001 and September 2001, a total of 133 patients were observed in the Department of Obstetrics and Gynecology at CHA Hospital. Fifty-eight with missed abortions, forty-five with threatened abortions and thirty normal pregnancies (no history of endometriosis or ovarian mass) were evaluated during gestational age 6 to 12 weeks and maternal serum samples were collected. All patients were sonographically assessed and CA 125 values were compared.
RESULTS
There was no statistically significant difference in the CA 125 levels between the spontaneous aborted patients and the patients without abortion: missed abortion, 72.9 +/- 102.0IU/ml (range 7.3-487.6); threatened abortion, 46.6 +/- 37.9IU/ml (range 13.9-206.1); normal pregnancy, 63.4 +/- 61.2IU/ml (range 13.8-62.8).
CONCLUSION
Our study shows that serum CA 125 levels are not predictive of spontaneous abortion in the first trimester and failed to discriminate among missed abortions, threatened abortions, and normal pregnancies.

Keyword

Serum CA 125; Spontaneous abortion

MeSH Terms

Abortion, Missed
Abortion, Spontaneous
Abortion, Threatened
Endometriosis
Female
Gestational Age
Gynecology
Humans
Obstetrics
Pregnancy Trimester, First*
Pregnancy*
Prospective Studies
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