Most pregnant women experience frequent urination in late pregnancy, but some do not. Some pregnant women may not experience frequent urination because the descending fetal dew will stimulate the bladder, but some may not experience frequent urination because the head of the fetus enters the pelvis later and the pressure on the bladder is lighter. Some pregnant women may experience prenatal urinary incontinence and frequent urination due to the pressure on the pelvic floor caused by the enlargement of the uterus during pregnancy, resulting in relaxation of the muscles and ligaments and fascia of the pelvic floor, leading to pelvic floor dysfunction. You can do Kegel exercises to relieve, in late pregnancy frequent urination pregnant women should try to drink less water before going to bed to avoid frequent visits to the toilet affect sleep.