Remedies for Back Pain in Pregnancy That Are Supported by Research

Remedies for back pain in pregnancy that are supported by research evidence and may safely be taught to any pregnant woman by the nurse include which of the following?
Note: Credit will be given only if all correct choices and no incorrect choices are selected.

A) Pelvic tilt
B) Water aerobics
C) Sit-ups
D) Proper body mechanics
E) Good posture is important because it allows more room for the stomach to function.