Find out what's happening in your body during the first month of pregnancy
By the time you are four weeks pregnant, your baby is the size of a poppy seed. During these first four weeks, the cells have been dividing rapidly and the shape of your embryo has changed. Watch the video to find out what is happening in your body and what you should be eating and which supplements you should be taking this month.
These videos are courtesy of the app, Totally Pregnant. The app is a one-stop companion to your pregnancy. It's free to download on iPhone and Android, and coming soon on iPad and tablets. It provides a series of week-by-week videos, featuring interviews with pregnant couples and 3D animation - revealing just what your baby looks like!
See your next stage: Two months pregnant.
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