Pregnancy and the Nervous System Do you know how your nervous system works? This system coordinates all your body’s activities, and chances are it’s functioning normally during your pregnancy. In the rare case that it’s not, here’s what you need to know. Migraine Headache Many women experience migraine headaches while pregnant. The good news is that you don’t have to give in to the pain when it strikes. Know what pain-relief options are safest for you. Epilepsy and Pregnancy Epilepsy and the medications to treat it can have affect the mother, the pregnancy, and the fetus and newborn. Fortunately, most women are able to have a healthy pregnancy and baby. Multiple Sclerosis and Pregnancy Pregnancy does not appear to speed up the course or worsen the effects of MS. Some studies have found that MS symptoms decrease in pregnancy and increase after delivery.