Pregnancy is a time of many changes. Your body, your emotions and the life of your family are changing. You may welcome these changes, but they can add new stresses to your life. Feeling stressed is common during pregnancy. But too much stress can make you uncomfortable. Stress can make you have trouble sleeping, have headaches, lose your appetite or overeat. High levels of stress that continue for a long time may cause health problems, like high blood pressure and heart disease. When you ...