The pregnancy results were not affected from the administration day of Depot GnRH agonists in artificial cycle frozen-thawed embryo transfers

Year 2023, , 89 - 93, 27.03.2023

Mehmet Ağar , Asena Ayar Madenli , Nur Dokuzeylül Güngör , Şebnem Alanya Tosun

https://doi.org/10.47582/jompac.1219205

Abstract

Aim: In frozen-thawed embryo transfers (FET), Gonadotropin-Releasing Hormone (GnRH) agonists have recently been used to improve implantation results. It is preferred to administer it in the luteal phase of the previous cycle. The objective was to compare the effects of different administration days of depot GnRH agonists on implantation and pregnancy rates in the artificial cycle of FET.
Material and Methods: A retrospective case-control study was conducted in an in vitro fertilization (IVF) center in a university hospital including all women starting an artificial cycle of FET. One thousand two hundred and twenty-seven (n:1227) FET cycles were scanned from the files from October 2014 to December 2021. Depot agonists (Lucrin depot 3.75 mg sc Abbott USA.-leuprolide acetate) were used in 219 patients with endometriosis. In 58 patients it was administered at day 21 on the previous cycle (Group 1) and on 161 patients it was administered at day 2 of the same cycle (Group 2).
Results: This study showed no statistically significant difference between the two groups in laboratory parameters and endometrial thickness (p>0.05). There was not a statistically significant association between the abort rate and transfer day (p>0.05). There was not a statistically significant association between the pregnancy results and transfer day (p>0.05). The ongoing pregnancy rate (OPR) rate was relatively high in the second group compared to the twenty-first day of the previous cycle (87/161(54%) vs. 30/58 (51.7%)). The biochemical pregnancy was relatively high in the second-day group compared to the twenty-first day of the previous cycle (62/161(38.5%) vs. 21/58 (36.2%)). The abort rate was relatively high in the twenty-first-day group compared to the second-day of the cycle (25/87(28.75%) vs. 9/30(30%)).
Conclusion: In conclusion, the impacts of various administration days of depot Gonadotropin-releasing hormone (GnRH) agonists on implantation and pregnancy rates were not statistically significant.

Keywords

Assisted reproduction technology; Frozen-thawed embryo transfer cycle; GnRH agonists; Implantation, Assisted reproduction technology, FET cycle, GnRH agonist, implantation

The pregnancy results were not affected from the administration day of Depot GnRH agonists in artificial cycle frozen-thawed embryo transfers

Abstract

Aim: In frozen-thawed embryo transfers (FET), Gonadotropin-Releasing Hormone (GnRH) agonists have recently been used to improve implantation results. It is preferred to administer it in the luteal phase of the previous cycle. The objective was to compare the effects of different administration days of depot GnRH agonists on implantation and pregnancy rates in the artificial cycle of FET.
Material and Method: A retrospective case-control study was conducted in an in vitro fertilization (IVF) center in a university hospital, including all women starting an artificial cycle of FET. One thousand two hundred and twenty-seven (n:1227) FET cycles were scanned from the files from October 2014 to December 2021. Depot agonists (Lucrin depot 3.75 mg sc Abbott USA.-leuprolide acetate) were used in 219 patients with endometriosis. In 58 patients, it was administered on day 21 of the previous cycle (Group 1), and in 161 patients, it was administered on day 2 of the same cycle (Group 2).
Results: This study showed no statistically significant difference between the two groups in laboratory parameters and endometrial thickness (p>0.05). There was no statistically significant association between the abort rate and transfer day (p>0.05). There was no statistically significant association between the pregnancy results and transfer day (p>0.05). The ongoing pregnancy rate (OPR) rate was relatively high in the second group compared to the twenty-first day of the previous cycle (87/161(54%) vs. 30/58 (51.7%)). The biochemical pregnancy was relatively high in the second-day group compared to the twenty-first day of the previous cycle (62/161(38.5%) vs. 21/58 (36.2%)). The abort rate was relatively high in the twenty-first-day group compared to the second day of the cycle (25/87(28.75%) vs. 9/30(30%)).
Conclusion: In conclusion, the impacts of various administration days of depot Gonadotropin-releasing hormone (GnRH) agonists on implantation and pregnancy rates were not statistically significant.

Keywords

Assisted reproduction technology, FET cycle, GnRH agonist, implantation

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