>>17346287They do. Both sex organs have countless pores which absorb semen and carry it to the bladder, resulting in pregnancy (unless the bladder is full of urine). During pregnancy, urine is diverted into the uterus to keep the bladder available for the growth of the fetus. As the uterus is suboptimal for processing waste, in certain cases this can result in mild poisoning of her body, because some urine may be recycled into the bloodstream rather than expelled. If this occurs, it can lead to a number of hormonal changes, such as making her just generally fatter and grosser after having babby.
>>17346312She could also get fucked between her thighs, in each of her kneepits, and even in her ears by two extremely under-endowed shotas, for a total of thirteen men and two boys. But this is all just an example of how creative and transfunctional human sexuality can be. Only her feet and armpits are viable sex organs.