The immune system matures with antibodies from you. The fetus is preparing for the outside world.
Week 19 - Muscle Development
Week 15 - Hair Growth Begins
Week 12 - End of First Trimester
Week 38 - Organ Maturation
Fertility Test Basics: Your Guide to Tracking Pregnancy
Week 23 - Skin Thins
Revolutionizing Menstrual Health Management
Period calculator