During which phase of the ovarian cycle does the corpus luteum form?

Which hormone is primarily responsible for the thickening of the endometrial lining during the ovarian cycle?

What is the average duration of a complete menstrual cycle in most women?

During the menstrual cycle, what triggers the release of Gonadotropin-Releasing Hormone (GnRH) from the hypothalamus?

Fertilization typically occurs in which part of the female reproductive system?

Which phase of embryogenesis typically occurs immediately after fertilization and involves rapid cell divisions without growth?

Which process involves the division and differentiation of cells in the early embryo to form the three primary germ layers?

During organogenesis, which germ layer gives rise to the digestive and respiratory systems?

Which germ layer gives rise to the bones, muscles, and circulatory system during organogenesis?