You can't get pregnant by having sex during menstruation. Menstruation is bleeding caused by the shedding of the endometrium after the egg is not fertilized, so normally, there is no possibility of pregnancy during menstruation. The arrival of menstruation means that ovulation has ended and has not been fertilized. The arrival of menstruation is to make the ovaries ovulate again. But if a woman has a short or irregular menstrual cycle, ovulation will occur earlier, even at the end of the menstrual cycle. Because a woman's egg has the ability to fertilize within 24-48 hours, if a man's sperm happens to enter the uterus and then the fallopian tube, there is a possibility of pregnancy.
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