Zinc
Low levels of zinc have been shown to be related to increased birth defects, low birth weight, miscarriage and even behavior problems down the road.

Aim for this amount: 10 mg twice a day.

Other nutrients moms-to-be need

• B1 (also called thiamin)—25 mg
• B2 (also called riboflavin)—25 mg
• B3 (also called niacin)—At least 30 mg
• B5 (also called pantothenic acid)—At least 30 mg
• B12—400 mcg twice a day
• Biotin —300 mcg
• C—400 mg twice a day (remember, it's water soluble, so you need two doses over the day)
• D—600 IU twice a day
• E—200 IU twice a day (or, preferably, 400 IU of mixed tocopherols)
• Magnesium—200 mg three times a day; twice a day prior to pregnancy
• Selenium—100 mcg twice a day

Find more pregnancy answers.

Do you have more questions about pregnancy health? Get even more answers from RealAge's YOU: Having a Baby Center.