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[Sex hormone binding globulin in stimulated cycles]
Jugoslavenska Ginekologija I Opstetricija
|September 1, 1984
Summary
Ovulation stimulation using clomiphene, HCG, and HMG did not alter sex hormone-binding globulin (SHBG) levels. These methods effectively induced ovulation, indicated by estradiol peaks, confirming their utility in fertility treatments.
Area of Science:
- Reproductive Endocrinology
- Clinical Pharmacology
Context:
- Ovulation induction is a key component of assisted reproductive technologies.
- Various pharmacological protocols are employed to stimulate follicular development and ovulation.
Purpose:
- To investigate the effect of different ovulation stimulation protocols on serum sex hormone-binding globulin (SHBG) concentrations.
- To assess the efficacy of clomiphene, human chorionic gonadotropin (HCG), and human menopausal gonadotropin (HMG) in inducing ovulation.
Summary:
- Serum SHBG levels remained stable across three ovulation stimulation methods: clomiphene alone, clomiphene with HCG, and clomiphene with HMG and HCG.
- All 56 stimulated cycles resulted in ovulation, evidenced by a clear preovulatory estradiol peak.
- Spontaneous luteinizing hormone (LH) surges were observed in some cycles prior to HCG administration.
Impact:
- These findings suggest that SHBG levels are not a significant factor affected by common ovulation induction protocols.
- The study validates the effectiveness of these combined hormonal therapies in achieving ovulation.
- Provides insights into hormonal dynamics during stimulated cycles for potential clinical application.