The results showed that age (≥35 years), type of infertility (primary infertility), transplanted cystic fetus, and moderate to severe uterine adhesions and P and P/E2 levels were risk factors (OR >1, P < 0.05) and β-HCG, AMH and E2 levels were protective factors (OR<1, P< 0.05) for the pregnancy rate in FET cycles. This evidence concerns the gene AMH and Infertility.