4 Weeks Pregnant - What to expect?

Discover at a glance how your body is adapting and how your baby is growing and developing during the period when you are 4 Weeks Pregnant:

Week 4 - Day 1: Your baby is now called an embryo

Week 4 - Day 2: Your baby’s brain, muscles and bones are forming

Week 4 - Day 3: Your baby's skeleton is starting to take shape

Week 4 - Day 4: Your baby’s muscles and bones are forming

Week 4 - Day 5: The liver, kidneys and intestines begin to take shape

Week 4 - Day 6: Take a home pregnancy test!

Week 4 - Day 7: Baby is approximately 1 mm long - about the size of a poppy seed!

What to expect at 4 Weeks Pregnant