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Improvement of pregnancy rate by modification of embryo transfer technique: a randomized clinical trial
Tahereh Madani1, Mahnaz Ashrafi, Nadia Jahangiri
1Endocrinology and Female Infertility Department, Reproductive Medicine Research Center, Royan Institute, ACECR, Tehran, Iran. tmadani@royaninstitute.org
Abstract:
In this randomized trial study, two groups of infertile women (n=55) aged≤40 years underwent in vitro fertilization or intracytoplasmic sperm injection treatment cycles with or without 0.2 mL of air pushed into the catheter after embryo transfer. The implantation and clinical pregnancy rates were statistically significantly higher in the study group than in the controls. This improvement on standard ET technique may advance clinical pregnancy rates.
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