Eyes, nose, and mouth begin to take shape. The embryo is about 1/4 inch long. Cravings or aversions to food may start.
Week 2 - Embryonic Stage
Week 12 - End of First Trimester
Period calculator
Week 36 - Descent into Pelvis
Week 3 - Germ Layer Formation
Normal Period Flow
Cycle Phase Overview
Week 35 - Preparation for Birth