Objective To investigate the influence of sperm morphology, sperm DNA fragmentation index and seminal plasma zinc on pregnancy outcome of in vitro fertilization and embryo transfer (IVF-ET).MethodsA total of 341 infertile couples underwent IVF-ET were selected from January 2016 to June 2016 in our hospital.Sperm morphology, sperm DNA fragmentation index and seminal plasma zinc level were compared according to pregnancy.ResultsIn 341 cases, 204 cases pregnancy and 137 cases of no pregnancy, with the pregnancy rate of 59.8%(204/341).Compared with the pregnancy group, the percentage of normal sperm percentage was low, the abnormal sperm index was higher in the non-pregnant group (P<0.05), the sperm DNA index was higher (P<0.05).The percentage of normal sperm, sperm DNA fragmentation index and seminal plasma zinc and pregnancy rate in sperm morphology were linear (P<0.05), And there was a negative correlation between abnormal sperm index and sperm DNA fragment index (P<0.05), and other indicators were positively correlated (P<0.05).ConclusionSperm morphology, sperm DNA fragmentation index and seminal plasma zinc levels may influence the outcome of IVF-ET.The above parameters can be used to predict pregnancy outcome of IVF-ET.

Objective To study the relationship between serum lipid level with embryo quality in vitro fertilization cycle.Methods A total of 603 pairs of infertile couples who were treated with in vitro fertilization and embryo transfer technique (IVF-ET) in our hospital from October 2015 to June 2016 were collected.All subjects underwent long-term ovarian hyperstimulation,blood lipid and the embryo quality were measured and evaluated.Results Triglyceride (TG),total cholesterol (TC) and body mass index(BMI) were significantly negatively correlated with fertilization rate,2PN fertilization rate,cleavage rate and embryo rate (P<0.05).Density lipoprotein (LDL) and non-high density lipoprotein (NHDL) and lipoprotein (a) [Lp(a)] were negatively correlated with fertilization rate,2PN fertilization rate,high density lipoprotein.The cholesterol (HDL) were positively correlated with fertilization rate,2PN fertilization rate,cleavage rate and embryo rate(P>0.05).Conclusion There is a linear correlation between blood lipid level and AMI and embryo quality.Serum lipids and AMI can be used to evaluate the quality of embryo and provide suggestion for the quality control of IVF-ET.