MIAMI, OK----Taking prenatal vitamins such as *folic acid* before pregnancy is important because vitamin deficiencies can cause birth defects. An Oklahoma OB/GYN says some are also caused by medication and genetics. Women should see their physician early to avoid taking certain medication. Having a healthy weight and diet is also important to avoid birth defects.
Copyright 2014 Nexstar Broadcasting, Inc. All rights reserved. This material may not be published, broadcast, rewritten, or redistributed.