Development of embryo and foetus

Development of embryo and foetus

1. 3 weeks

   • Develops blood, bone and muscle
   • Heart starts beating
   • About 4-6mm long

2. 8 weeks

   • Main organs are developing
   • Limbs, hands and feet are forming
   • About 2.2cm long

3. 20 weeks

   • Heartbeat can be heard
   • About 25cm long
   • Weighs around 350-400g

4. 28 weeks

   • Lanugo starts to grow
   • Weighs around 900g
   • About 38cm long

5. 40 weeks

   • Lanugo usually disappears
   • Weighs around 3-3.5kg
   • About 50-55cm long