The strains of pregnancy and labor and delivery on pelvic floor muscles predispose women to stress UI and urgency UI. But preparing the muscles before pregnancy can prevent these problems, especially later in life, Tupler said.Many women are taught incorrectly how to do pelvic floor muscle exercises, said Edna Moore, RN, MSN, ARNP, WHNP-BC, who works as a practitioner and nurse researcher in the c