Because semen swims upstream. The bladder is not located above the vagina (internally). If the ejaculation takes place in the vagina, the semen will swim up towards the cervix.
I would go with the last choice
rest, ice, compress, elevate, stabilize
I don't exactly know how to put this in scientific terms, but it is a wet cough which when completed, has brought up phlegm enough to fill a handkerchief. It is the last stage of a common cold before it goes away.
–Q=C*M^3/4 • C= 11.4 for North India • C= 13.9 to 19.5 for Central India • C= 22.5 to 25 for Western India
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