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A new study by IRHRC researchers

Comparing the effect of gonadotropin-releasing hormone agonist and human chorionic gonadotropin on final oocytes for ovulation triggering among infertile women undergoing intrauterine insemination: An RCT

Robabeh Taheripanah1 M.D., Marzieh Zamaniyan2, 3 M.D., Atefeh Moridi1 M.D., Anahita Taheripanah4 B.Sc., Narges Malih5 M.D.

1.Infertility and Reproductive Health Research Center, Shahid Beheshti University of Medical Sciences, Tehran, Iran.

2.Infertility Center, Department of Obstetrics and Gynecology, Mazandaran University of Medical Sciences, Sari, Iran.

3.Diabetes Research Center, Mazandaran University of Medical Sciences, Sari, Iran.

4.Department of Molecular and Cellular Sciences, Faculty of Advanced Sciences and Technology, Pharmaceutical Sciences Branch, Islamic Azad University, Tehran, Iran.

5. Social Determinants of Health Research Center, Shahid Beheshti University of Medical Sciences, Tehran, Iran.

Corresponding Author: Marzieh Zamaniyan, Infertility Center, Imam Hospital, Amir Mazandarani Ave., Sari, Iran.

Postal code: 4815659769. Email: marziehzamaniyan@gmail.com Tel: (+98) 9113566650

Received: 23 January 2017 Revised: 15 April 2017 Accepted: 10 May 2017 

Background: The purpose of triggering in ovulation induction is to induce the final maturation of oocytes and their release from the ovary for fertilization.

Objective: The aim of the present study was to compare the effectiveness of gonadotropin-releasing hormone (GnRH) agonist and human chorionic gonadotropin (HCG) on the final maturation of oocytes and pregnancy rates in intrauterine insemination (IUI) cycles.

Materials and Methods: In this randomized clinical trial, 110 infertile women who were selected for IUI entered the study. Ovulation induction was performed. Group I received 0.1 mg GnRH agonist as triggering and group II received 10,000 IU of HCG. The serum Estradiol (E2), Luteinizing Hormone (LH), and FollicleStimulating Hormone (FSH) levels were measured at 12 and 36 hr after injection.

Results: LH surge was detected in all patients. LH levels at 12 and 36 hr after triggering was higher in Group I and it washed out earlier than group II (p=0.00). The pregnancy rate was higher in Group I, but the difference was not statistically significant (26.9% vs. 20.8%, respectively p=0.46). Also, the incidence of ovarian hyperstimulation syndrome was not different between the two groups (p=0.11). There was a significant difference regarding the estradiol levels at 36 hours after triggering (p=0.00).

Conclusion: Effects of GnRH on endogenous LH surge is sufficient for oocyte releasing and final follicular maturation. Pregnancy rates and ovarian hyperstimulation syndrome incidence were not different between the groups. We suggest that GnRH agonists might be used as an alternative option instead of HCG in IUI cycles. Key words: Gonadotropin-Releasing Hormone, Chorionic gonadotropin, Insemination, Artificial, Ovulation, Pregnancy

 

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13:50 - 2017/08/22    /    number : 50438    /    Show Count : 40







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