| 1944 | 1st IVF attempt |
| 1955 | Successful in vitro fertilization of a human oocyte |
| 1958 | Gonadotropins extracted from human pituitary glands |
| 1964 | Isolation of urinary menopausal gonadotropins |
| 1968 | Laparoscopic oocyte retrieval |
| 1976 | 1st human IVF pregnancy (ectopic) |
| 1978 | Birth of Louise Brown in Lancashire, England |
| 1980's | Development of gonadotropin releasing hormone agonists |
| 1981 | Birth of Elizabeth Carr in Norfolk, Virginia |
| 1985 | Transvaginal oocyte retrieval with sonographic guidance |
| 1990 | Assisted hatching |
| 1990 | Development of gonadotropin releasing antagonists |
| 1993 | Intracytoplasmic sperm injection |
| 1996 | Blastocyst transfer |
| 1998 | Clinical trials using gonadotropin releasing antagonists |