A woman becomes pregnant if the ________________. If the egg is not fertilized, it __________. Then the hormone levels drop, and the _________ is shed during the menstrual period.

A woman becomes pregnant if the ________________. If the egg is not fertilized, it __________. Then the hormone levels drop, and the _________ is shed during the menstrual period.



- egg is fertilized by a man's sperm cell and attached it to the uterine wall.
- it will break apart
- the thickening lining of the uterus


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