What if the zygote does nt implant itself in the uterus wall?
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★ The lining of the uterus (endometrium) prepares for the developing blastocyst to attach to it via many internal changes. Without these changes implantation will not occur, and the embryo sloughs off during menstruation. ... If the zygote implants in any area besides theuterus, the result is an ectopic pregnancy.
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