Eyes, nose, and mouth begin to take shape. The embryo is about 1/4 inch long. Cravings or aversions to food may start.
Week 27 - End of Second Trimester
Week 24 - Viability Threshold
Fertility Test Basics: Your Guide to Tracking Pregnancy
Week 34 - Immune System Develops
Week 15 - Hair Growth Begins
Pregnancy due date calculator
Week 31 - Bone Strengthening
Pregnancy Food Guide