A look inside your uterus at fertilization
Fallopian Tube: A sperm will swim from your vagina into your cervix, then to the fallopian tube to fertilize the egg that it finds there.
Ovary: One of your eggs will be released from its follicle and enter the fallopian tube.
Ovum: Once the strongest sperm penetrates the outer membrane of the ovum and manages to go into it, then their genetic material will combine to make a new cell that will soon begin to divide.
Sperm: All it takes is one sperm of about 20 - 250 million to fertilize the egg.
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