why is the sperm not rejected by the ovum
health advisory
Hospital
Doctor Yu
2007-11-8 19:08:51
Answers:
All others after the first are almost always rejected. The first is just lucky to have made it though the rather hostel enviroment, and found its way to the ovum to burrow its way inside!
they are! that is the reason that there has to be a high sperm count in order for fertilization to occur.the sperm bombard the egg, until one makes it through to fertilize. The egg then creates a protective wall to keep any more sperm out, but sometime two sperm will get in at the same time, hence identical twins.
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