The female reproductive cycle is divided into the ovarian cycle and the menstrual cycle. The ovarian cycle governs the preparation of endocrine tissues and release of eggs, while the menstrual cycle governs the preparation and maintenance of the uterine lining. These cycles are coordinated over a 22-32 day cycle, with an average length of 28 days. What are the two main cycles of the female reproductive cycle?
1) Ovarian and endocrine cycle
2) Ovarian and uterine cycle
3) Menstrual and endocrine cycle
4) Menstrual and uterine cycle
