Usually contain iron, but can be large ("horse pills") and might trigger nausea.

The best time to start taking prenatals is actually you get pregnant. If you’re already expecting, start as soon as possible. Consistency is more important than the brand name—the best vitamin is the one you remember to take every day.

Great for the baby’s brain and eye development. If your vitamin doesn't include it, you can take a separate fish oil or algae-based supplement.

If vitamins make you nauseous, try taking them right before bed or with a small snack.

Here is a quick guide on what to look for and how to choose the right one: 1. The Essential Checklist

These are much easier to keep down if you have morning sickness, but most gummies do not contain iron. If you go the gummy route, check with your doctor to see if you need a separate iron supplement. 4. When to Start

Most experts recommend looking for a bottle that contains these "Big Three" ingredients:

Choosing a prenatal vitamin is one of the first big "parenting" decisions you’ll make. Since your body is now working overtime to build a human from scratch, these supplements act as a nutritional safety net for both of you.