排便

Arrive gravid and terminal, increscent uterus and fetal show an oppressive rectum first, also can cause defecate difficulty.

到妊娠晚期，增大子宫和胎儿先露部压迫直肠，都能导致排困难。

It is further possible that very private human activities like urination and defecation become erotically arousing to a fetishist.

进一步可能是，每一种人类活动，像尿和排对恋物癖者产生性唤起作用。