Yes, sperm are time and time again compared to stem cells. For the same reason that you rub semen into an open wound, it allows the vaginal walls to heal in a more effective manner! Also the vagina can be used as a hat.
No. If a woman is infertile, sperm will have no effect on her. Infertile means she cannot get pregnant.
sperm fertilzes the egg, without sperm no baby... so there is NO way a woman can get pregnant without contact of sperm
In order for a woman to get pregnant, she must have sperm from a man.
No, a trans woman cannot get a woman pregnant because she does not have functioning reproductive organs that produce sperm.
One sperm cell
No, absolutely not.
Nothing, you do not ovulate when you're pregnant because you don't have a cycle.
When a sperm cell penetrates an egg, and then implants itself in the lining of the uterus, a woman is considered pregnant.
No only if the sperm enters the vagina
The effect that prolactin has on a pregnant woman is that it stimulates the mammary glands to produce milk.
No amount of masturbation can make a woman pregnant, she can only get pregnant if sperm fuses with an egg cell.
Any amount of sperm can make a woman pregnant. Even one little tiny sperm by itself can get the job done. The chances are lowered greatly though but it is still very very possible.