When the ovarian follicles have achieved a particular degree of development, induction of ultimate oocyte maturation is done, commonly by an injection of human chorionic gonadotropin (hCG). Generally, this is referred to as the "set off shot."[fifty two] hCG acts being an analogue of luteinising hormone, and ovulation would happen https://bookmarkangaroo.com/story18544834/in-vitro-fertilization-fundamentals-explained