Abstract
Objective To investigate the influence of male age on the outcome of conventional in vitro fertilization and embryo transfer(IVF-ET). Methods Based on male age, 258 couples who underwent conventional IVF-ET in 2015 were divided into there groups: <35 years group(n=107), 35~39 years group (n=108) and ≥40 years group (n=43). The semen quality, the rates of fertilization, good quality embryo, clinical pregnancy and abortion were observed in different groups. Results There were no statistical differences in sperm concentration, sperm viability, normal morphology sperm rate, acrosin activity among the three groups (P 0.05). There were statistical differences in the rate of fertilization and good quality embryo among the three groups (P 0.05). Conclusions Increasing male age is related with semen volume, the rate of fertilization and good quality embryo, but not obviously with sperm concentration, sperm viability, normal morphology sperm rate, acrosin activity, the portable rate of embryos, the clinical pregnancy and abortion. Key words: Fertilization in Vitro; Embryo Transfer; Age Factors
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