Pregnancy and Prenatal Vitamins – 5 Reasons Why Doctors Prescribe it to Expecting Mother Pregnancy increases your nutritional requirements. This is the time when you should consume enough nutrition to ensure a healthy growth for the baby. #Prenatalvitamins are important to take as prescribed by your doctor to promote a healthy pregnancy. https://www.tumblr.com/geeta090123/712041561108692992/pregnancy-and-prenatal-vitamins-5-reasons-why