Prediction of the time of ovulation

J. E. Garcia, G. S. Jones, G. L. Wright

Research output: Contribution to journalArticlepeer-review

58 Scopus citations


Prediction of ovulation was established by correlation of clinical parameters, follicular development by ultrasound, and estradiol, progesterone, and luteinizing hormone (LH) determination in 71 menstrual cycles. Laparoscopic follicular aspiration was accomplished in 41 of those cycles. A 28-hour interval from the ascending limb of the LH seems to be the 'ideal time' for retrieval of a preovulatory oocyte. The variability in the amount of LH to which the follicle is exposed during the LH surge seems to indicate that there is a relatively low specific value necessary for ovulation. Ovulation occurs approximately 10 ± 5 hours from the LH peak. Progesterone occurs in relation to the LH surge and is helpful for the retrospective analysis of the menstrual cycle.

Original languageEnglish (US)
Pages (from-to)308-315
Number of pages8
JournalFertility and sterility
Issue number3
StatePublished - 1981
Externally publishedYes

ASJC Scopus subject areas

  • Reproductive Medicine
  • Obstetrics and Gynecology


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