Original Article | |
Effect of Intrauterine Injection of Human Chorionic Gonadotropin Before Frozen-Thawed Embryo Transfer on Implantation and Clinical Pregnancy Rate: A Randomized Controlled Trial | |
Robab Seyed Hosseini, Laya Farzadi, Sedigheh Abdollahi, Mohammad Nouri, Alieh Ghasemzadeh, Kobra Hamdi, Hassan Soleimanpour | |
Women?s Reproductive Health Research Center, Tabriz University of Medical Sciences, Tabriz, Iran | |
IJWHR 2016; 4: 189-193 DOI: 10.15296/ijwhr.2016.42 Viewed : 12702 times Downloaded : 4910 times. Keywords : Embryo transfer, Human chorionic gonadotropin, Implantation, Pregnancy |
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Abstract | |
Objectives: This study aimed to assess the effect of intrauterine injection of human chorionic gonadotropin (hCG) before frozen-thawed embryo transfer on implantation and clinical pregnancy rates. Materials and Methods: In this prospective randomized clinical trial, 100 infertile women younger than 40 years old were randomly divided into intervention (n = 50) and control groups (n = 50). Intervention group received intrauterine injection of 500 IU hCG before frozen-thawed embryo transfer, while control group had the embryo transferred without intrauterine hCG injection. Then, both groups were assessed in terms of implantation, clinical pregnancy and ongoing pregnancy rates. P <0.05 was considered statistically significant. Results: There was a significant difference in clinical pregnancy rate between intervention (28%) and control (10.4%) groups (P = 0.028, OR: 4.28, CI: 1.25-14.14). The difference in ongoing pregnancy rate between intervention (28%) and control (8.3%) groups was also statistically significant (P = 0.012, OR: 3.44, CI: 1.1-1.18). Conclusion: Intrauterine injection of hCG (500 IU) before frozen-thawed embryo transfer can significantly improve clinical and ongoing pregnancy in patients with history of in vitro fertilization/intracytoplasmic sperm injection (IVF-ICSI). |
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