Q&A: Pregnant And Can't Stop Peeing?
There are a few reasons behind your steady stream. For one thing, the hormone hCG triggers an increase in blood flow to the pelvic area, causing you to make more pee. In addition, the efficiency of the kidneys improves during pregnancy, so your body gets rid of waste products (i.e. pee) more quickly. And let's not forget your growing uterus, which puts increasing pressure on your bladder as it gets bigger. (And bigger!)