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Ovarian hyperstimulation and follicular aspiration. Effect on ovulatory function
L Grunfeld1, B Sandler, J H Fox
1Department of Obstetrics and Gynecology and Reproductive Science, Mount Sinai Medical Center, New York, New York.
The Journal of Reproductive Medicine
|March 1, 1992
Summary
Ovulation typically resumes quickly after in vitro fertilization (IVF). However, some women experience ovulation issues or luteal phase defects in the cycles following IVF treatment.
Area of Science:
- Reproductive Endocrinology
- Human Reproduction
- In Vitro Fertilization
Background:
- Assessing reproductive axis function post-IVF is crucial for subsequent fertility treatments.
- Understanding the timing of return to normal ovulatory function after ovarian hyperstimulation and egg retrieval is clinically significant.
Purpose of the Study:
- To evaluate the return of normal reproductive axis function in the initial menstrual cycles following in vitro fertilization (IVF).
- To determine the incidence of ovulation and luteal phase defects in the first three cycles post-IVF.
Main Methods:
- Thirty-five women undergoing IVF were prospectively monitored.
- Participants were randomly assigned to have their first, second, or third menstrual cycle post-IVF evaluated.
- Ovulation and luteal phase function were assessed in the monitored cycles.
Main Results:
- 14.3% of patients (5/35) failed to ovulate in the observed cycles.
- Ovulatory dysfunction was distributed across the first three cycles post-IVF.
- 20% of ovulatory cycles (6/35) exhibited luteal phase deficiencies, with similar distribution regardless of cycle timing post-IVF.
Conclusions:
- While most women resume ovulatory function after IVF, a notable percentage experience anovulation or luteal phase defects.
- These findings highlight the importance of monitoring reproductive function in the early cycles post-IVF for successful embryo replacement or further treatments.
- Luteal phase deficiencies occur with similar frequency in early and later cycles after IVF, suggesting potential persistent effects or independent causes.