However, In the event that a woman who is pregnant consumes too much Vitamin A, there is an increased risk of birth defects of spontaneous abortion of the unborn baby. (prenatalliquidvitamin.com)
This will make delivery very difficult since the baby's feet will come first making her be at risk of birth defects. (intelligentmother.com)
A new study has found that exposure to air pollution around the time of conception increases risk of birth defects. (treehugger.com)