Peterpielagogo Peterpielagogo Science Answered IL. Write True or False: : 6. Menstruation usually lasts for five days. 7. Days 6-13 is a repair period for the uterine lining and development period for an egg to mature. 8. Every month, female bodies prepare for pregnancy. 9. Menstrual cycle last for 28 days. 10. Menopausal stage and could take place between 45-55 years of age.