Pregnancy Week Three – What Happens When You’re 3 Weeks Pregnant?

Is the embryo going to be a boy or a girl? It'll be a while before you even find out you're pregnant, and even longer before you will know for sure what gender the baby will be! Image by kikashi

The third week of pregnancy is when the baby starts implanting in your uterus; he or she is no longer a zygote, but now officially an embryo!