You may experience some of following changes during the second trimester, according to the National Women's Health Information Center:

• Pain in your abdomen, groin and thighs

• Backache

• Shortness of breath

• Skin changes, including stretch marks

• Tingling in your hands and fingers

• Itching on your abdomen, palms and soles of your feet; call your doctor if the itching is accompanied by nausea, vomiting, loss of appetite or jaundice