Pregnancy by week

Things are in their very, very early stages, but you might still be curious about your pregnancy and embryo development at 3 weeks pregnant and what kinds of symptoms to expect.

All of your questions about the long awaited third trimester—and those never-ending pregnancy symptoms—answered.

All your questions answered about the second trimester — most people’s fave — and what to expect with all those annoying pregnancy symptoms.

All your questions about the first trimester answered—and what to expect with all those *lovely* pregnancy symptoms, tests and more.

This is the last week of your first trimester. Most of your baby's organs are fully formed now and starting to function, and her external genitals are beginning to show distinct characteristics of her sex.