Magriples and Towers recommend that you exercise strong caution when considering natural supplements. Herbs may be toxic in pregnancy and it’s best to avoid them.
Taking vitamin A and E in high doses can also cause birth defects. High doses of vitamin A have been linked to brain, face and heart defects while vitamin E in high does can pose a blood thinning risk in pregnant women. It’s best not to exceed the recommended dietary allowance of either vitamin.
You should, however, be taking a prenatal vitamin.