Archives of Gynecology and Obstetrics

, Volume 279, Issue 5, pp 661–666 | Cite as

Predictive power of serum CA-125 and LDH in the outcome of first trimester pregnancies with human chorionic gonadotropin levels below discriminatory zone

  • Yusuf Madendag
  • Ilknur Col-Madendag
  • Mine Kanat-Pektas
  • Nuri Danisman
Original Article

Abstract

Background

The present study aims to investigate the predictive power of serum CA-125 and lactate dehydrogenase (LDH) for evaluating the outcome of first trimester pregnancies with beta human chorionic gonadotropin levels below discriminatory zone (≤1,000 mIU/mL).

Methods

A total of 107 women with tubal ectopic pregnancies (30 ruptured and 77 unruptured), 105 women with normal intrauterine pregnancies and 100 women with intrauterine abortions were eligible for the study.

Results

Women with intrauterine abortion were found to have significantly higher CA-125 and LDH levels compared to women with ectopic and normal intrauterine pregnancies. Ruptured tubal pregnancies resulted in significantly higher CA-125 and statistically similar LDH levels compared with unruptured tubal pregnancies. Although CA-125 levels were found to be unrelated to gestational age in normal intrauterine normal and abortive as well as ruptured and unruptured ectopic pregnancies; LDH levels were directly correlated with gestational age in ruptured tubal ectopic pregnancies.

Discussıon

Consequently, the ability to determine the disintegration of ectopic trophoblastic or fetal tissues would be of great value in the management of hemodynamically stable patients with beta hCG levels below discriminatory zone. Intrauterine abortive pregnancies seem to yield high serum CA-125 concentrations combined with high LDH levels which indicate more extensive trophoblastic tissue damage than caused by intrauterine and ectopic pregnancies.

Keywords

Abortion Beta-hCG CA-125 Ectopic pregnancy Tubal pregnancy Tubal rupture 

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Copyright information

© Springer-Verlag 2008

Authors and Affiliations

  • Yusuf Madendag
    • 1
  • Ilknur Col-Madendag
    • 1
  • Mine Kanat-Pektas
    • 1
    • 2
  • Nuri Danisman
    • 1
  1. 1.Department of PerinatologyDr Zekai Tahir Burak Women Health Research and Education HospitalAnkaraTurkey
  2. 2.AnkaraTurkey

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