I found this video from another blog I read to be very fascinating. It is called the Great Sperm Race. I never really knew how much work it took to get pregnant. I now understand why it can take so long to get that positive test. This video really does explain it all. Let me know if you found it to be as interesting as I did.
http://www.youtube.com/watch?v=4SFOpHiS-tA
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