Zusammenfassung der Ressource
Development of embryo and foetus
- 3 weeks
- Develops blood, bone and muscle
- Heart starts beating
- About 4-6mm long
- 8 weeks
- Main organs are developing
- Limbs, hands and feet are forming
- About 2.2cm long
- 20 weeks
- Heartbeat can be heard
- About 25cm long
- Weighs around 350-400g
- 28 weeks
- Lanugo starts to grow
- Weighs around 900g
- About 38cm long
- 40 weeks
- Lanugo usually disappears
- Weighs around 3-3.5kg
- About 50-55cm long