Hormonal contraception tries to emulate the hormones that naturally occur when a woman becomes pregnant to trick the body into thinking it is pregnant so it will start doing all of the natural things it normally does when pregnant. This includes stopping ovulation and menstruation.
Also, r/BadWomensAnatomy. Sperm doesn’t enter the uterus, it enters the fallopian tubes and finds the egg. The fertilized egg then implants itself in the uterus/ uterine wall.
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