2007•Journal of Jinggangshan UniversityRequires access
The mechanism of polyspermy in the course of in vitro fertilization
Yi Sun
Open publisher page 0 citations
Abstract
The causes of polyspermy for mammal oocyte in vitro fertilization(IVF) are discussed.It is point out that polyspermy is the important reason influencing the efficiency of in vitro fertilization in various kinds of mammals.There is a greater incidence of polyspermy in porcine or human oocytes compared to that in other mammalian oocytes for IVF.It was verified that a lot of factors affect the incidence of mammal oocyte polyspermy,in cluding kytoplasm immature,zona abnormality,the higer concentration of capacitated sperm at the site of fertilization,insufficient supplementation in the fertilization medium,and other anomal-factors in the course of in vitro fertilization.