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Sonographically monitored ovarian stimulation for assisted reproduction: a prospective, blind study
1Department of Obstetrics and Gynecology, Rush Medical College, Chicago, Illinois, USA.
Objective:
To assess prospectively the appropriateness of follicular sonography alone for monitoring ovarian stimulation and to compare it to ovarian monitoring with both follicular sonography and hormone level determinations.
Study Design:
Prospective, blind, clinical study in which the investigator made cycle management decisions based on follicular sonography only.
Results:
Follicular sonography alone predicted 88% of the decisions made by the combination of follicular sonography, luteinizing hormone (LH), estradiol (E2) and progesterone measurements. Follicular sonography was unable to predict abnormal E2 patterns in eight (8%) of the patients' scans. Follicular sonography did not detect three (3%) patients with a premature LH surge.
Conclusion:
Follicular sonograms alone performed during ovarian stimulation predicted 88% of cycle decisions. One could argue that hormone measurements could be either reduced or eliminated during ovarian stimulation for assisted reproductive technology and that follicular sonography only would be a cost-effective compromise. The effect of such simplified monitoring on pregnancy rates would require further prospective evaluation.