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/u/Novakennak's
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2018
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Does the force of ejaculation influence the probability of impregnation, or is this only determined by the swimming speed of individual sperm cells?
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Does the force of ejaculation influence the probability of impregnation, or is this only determined by the swimming speed of individual sperm cells?
NSFW
14004
--
10
9
8
7
6
5
4
3
2
1
0
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