Yes: Normal women have a cycle every month but only a few pregnancies in her life. The careful success of a pregnancy requires a host of issues to successfully line up. probably 60% of impregantions are still not successful and even in the face of many sperm many eggs are never impregnanted. Much is still a mystery.
Answered 8/26/2014
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A doctor has provided 1 answer
A doctor has provided 1 answer
A doctor has provided 1 answer
A doctor has provided 1 answer
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