What do pregnancy and childbirth have to do with bladder control?
The added weight and pressure of pregnancy can weaken pelvic floor muscles. Other aspects of pregnancy and childbirth can also cause problems: Unborn babies push down on the bladder, urethra, and pelvic muscles. • changed position of bladder and urethra • vaginal delivery • episiotomy (the cut in the muscle that makes it easier for the baby to come out) • Damage to bladder control nerves.