a: Female sperm ~
b: tortoise in the race
What:
" Female sperm can travel for a longer period of time because it doesn't use all it's energy up moving as fast as possible. Female sperm is like the tortoise in the race; slow and steady. These differences are part of what we can use to increase the chances of conceiving a girl."
Useful?
Writer: Not Stated
LCC:
Where:
Date: Jul 19 2016 5:24 PM
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