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Related Experiment Videos

CA-125 and ovarian hyperstimulation.

L Scarpellini1, F Scarpellini

  • 1Insegnamento di Puericultura Prenatale, Università degli Studi di Roma La Sapienza.

Acta Europaea Fertilitatis
|March 1, 1992
PubMed
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Serum CA-125 levels can help detect ovarian hyperstimulation syndrome (OHSS) early. This marker correlates with OHSS severity and ovarian size, offering improved monitoring for patients undergoing superovulation.

Area of Science:

  • Reproductive Endocrinology
  • Clinical Biochemistry

Background:

  • Ovarian hyperstimulation syndrome (OHSS) is increasingly common due to pharmacologic superovulation.
  • Early and sensitive indicators for OHSS onset and severity are needed.
  • Serum estradiol has limitations in predicting OHSS.

Purpose of the Study:

  • To evaluate serum CA-125 levels as an early and sensitive marker for OHSS.
  • To correlate CA-125 levels with OHSS severity, ovarian dimensions, and estrogen concentrations.

Main Methods:

  • Serum CA-125 levels were measured in 31 patients undergoing gonadotropin stimulation (FSH, FSH/LH, HCG).
  • Patients included 21 with varying degrees of OHSS (grades I, II, III) and 10 without complications.
  • CA-125 levels were analyzed during the luteal phase and correlated with clinical and biochemical parameters.

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Main Results:

  • Serum CA-125 levels rose above the physiological limit (35 UI/ml) in all stimulated cycles.
  • In hyperstimulated cycles, CA-125 levels consistently exceeded 70 UI/ml.
  • CA-125 levels showed a strong correlation with ovarian dimensions, OHSS severity, and estrogen concentrations during the luteal phase.

Conclusions:

  • Serum CA-125 is a promising marker for early detection and severity assessment of OHSS.
  • CA-125 monitoring may improve the management of patients at risk for OHSS.
  • Elevated CA-125 levels persisted or increased with pregnancy in hyperstimulated cycles.