URMC / Encyclopedia / Collection Your Changing Body Headaches in Early Pregnancy Hormones During Pregnancy Weight Gain During Pregnancy Nutrition During Pregnancy Exercise During Pregnancy Work and Pregnancy Sex During Pregnancy Sleeping Positions During Pregnancy Hemorrhoids and Varicose Veins in Pregnancy Common Discomforts During Pregnancy First Trimester Fatigue Pregnancy and Skin Changes Pregnancy and Posture Pregnancy and Heartburn