Prenatal vitamins is a hot topic, all women need it, whether you are an average woman, getting pregnant or pregnant. The importance of prenatal vitamins for pregnant women has been a hot topic for quite some time. Women are now encouraged to take them before getting pregnant to prevent birth defects, as well as throughout the pregnancy and breastfeeding to ensure a healthy baby. Prenatal vitamins are a supplement to the diet and should not be substituted for healthy food choices. There are many over the counter prenatal vitamins available in addition to those prescribed by a physician. Absorption rates can vary between over the counter brands, or there may be too much or too little of an essential vitamin or mineral. The prenatal vitamins prescribed by physicians are usually of better quality and have greater absorption rates. All types of insurance plans cover most prenatal vitamins so that they are affordable and accessible to women.