Recent data concerning the use of ovulation inductors during in vitro fertilization programs.

Ovulation inductors within the context of an in vitro fertilization program are mainly used in order to be able to know the exact time of the rupture of the follicle and to recover several mature oocytes. In this paper the Author describes the types of ovulation inductors used at present and underlines the fact that the study of the metabolism of the embryo will be a future aim for a better understanding of the success of in vitro fertilization.