Pregnancy has a major impact on the body. Even after labor and delivery, you may feel the impact on your pelvic floor. If you're concerned with your pelvic floor, you may turn to physiotherapy to treat the common issues that develop with pregnancy. Here's what you should know about pelvic floor physiotherapy. Strengthens Muscles The pelvic floor muscles are located at the base of your pelvis and help to support the bladder, uterus, clitoris, and rectum.