Trivia.com
Oral sex may help prevent miscarriages. The more "familiar" a woman is with her partner's semen, the more likely her uterus is to accept it.
Oral sex may help prevent miscarriages. The more "familiar" a woman is with her partner's semen, the more likely her uterus is to accept it.
Caffeine will caffeinate your semen.
Hens store the male's semen after mating and periodically release portions of it for a few weeks to fertilize multiple eggs. If they mate with a male they don't like, they expel the whole thing and produce infertile eggs.