You don't have to have wide hips for a natural birth, but there are things you can do to prepare your body for labor. Ask your doctor or midwife about prenatal exercises to strengthen and tone your pelvic floor muscles. Aim for a balanced, healthy diet and remain physically active. Search for a supportive, safe environment for childbirth.You don't have to have wide hips for a natural birth, but there are things you can do to prepare your body for labor. Ask your doctor or midwife about prenatal exercises to strengthen and tone your pelvic floor muscles. Aim for a balanced, healthy diet and remain physically active. Search for a supportive, safe environment for childbirth.