The embryo’s heart starts beating, detectable by ultrasound. Nausea or fatigue may begin. Schedule your first prenatal visit for monitoring.
Week 18 - Hearing Develops
Week 25 - Brain Growth Spurt
Week 38 - Organ Maturation
Week 23 - Skin Thins
Week 36 - Descent into Pelvis
Week 19 - Muscle Development
Week 4 - Neural Tube Development
Week 28 - Rapid Weight Gain