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Yup. Girl spermies are bigger and slower
April 22 2011 at 12:55 PM
Sorry you've never heard this, but it's true!
Boy sperm are faster and smaller. iirc the head shape is different too?
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If an embryologist could merely pick the sperm gender out,, there would be no need for...
- Anonymous on Apr 22
It is suggestive, but not definitive
- BBG on Apr 24