How to get Pregnant Naturally — period

How Your Menstrual Cycle Affects Your Chance of Pregnancy

July 7, 2019 Did you know your uterine lining is important to your fertility? The lining of the uterus thickens and then thins over a menstrual cycle. In a typical menstrual cycle, estrogen made by the maturing ovarian follicle causes the uterine lining to thicken by about 5mm, leading up to the first day of menstruation. During menstruation, hormone changes cause the uterine lining to shed from the wall of uterus and cause menstrual bleeding. The thickness of the uterine lining will decrease due to the shedding, and the menstrual bleeding will continue until clotting factors and hormone changes stop...

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