Does the copper intrauterine device affect serum cancer antigen 125 levels?

M Karaca1, S Kumru, N Dikmeli

  • 1Department of Obstetrics and Gynecology, Kafkas University Medical Faculty, Kars, Turkey.

Insights

Copper intrauterine devices (IUDs) may lower serum cancer antigen 125 (CA-125) levels. This finding could aid in evaluating ovarian masses in women of reproductive age using IUDs.

Area of Science:

  • Gynecology
  • Reproductive Health
  • Clinical Chemistry

Background:

  • Cancer antigen 125 (CA-125) is a tumor marker often elevated in ovarian cancer.
  • Intrauterine devices (IUDs) are common contraceptives, with copper IUDs being a popular choice.
  • Understanding factors influencing CA-125 levels is crucial for accurate diagnostic interpretation.

Purpose of the Study:

  • To investigate the impact of copper IUD usage on serum CA-125 levels.
  • To determine if copper IUDs affect CA-125 concentrations in healthy women.

Main Methods:

  • A study involving 20 healthy volunteers who use copper IUDs for contraception.
  • Serum samples were collected from participants before and after IUD insertion.
  • CA-125 levels were quantified using a commercial kit and analyzer.

Main Results:

  • Serum CA-125 levels were significantly lower after IUD insertion compared to pre-insertion levels (24.63 +/- 25.40 mIU/ml vs. 14.44 +/- 10.08 mIU/ml, p < 0.05).
  • The data suggests a decrease in serum CA-125 following the use of a copper IUD.

Conclusions:

  • Copper IUD use is associated with reduced serum CA-125 levels.
  • This finding may have implications for the interpretation of elevated CA-125 in women of reproductive age, potentially aiding in the evaluation of ovarian masses.
Abstract