1. Lesson #3: Having a baby!! Objective:
Function of placenta and umbilical cord
Main stages of fetus development

2. Stage 1: Germinal Period
Day 1 to about day 21
Conception: Sperm and egg meet
The two cells fuse and then begin to divide until a small ball of cells is formed.
Usually in uterus about 10 days after conception

4. Stage 2: Embryonic Stage
Week 3 to Week 10
Week 4: Amniotic fluid, placenta and umbilical cord are formed.
Through the umbilical cord baby receives oxygen and passes waste material, but also toxins
Amniotic fluid gives protection from bumps
At 9 weeks the body is fully formed and is called a Fetus

5. Stage 3: Fetal development
From week 10 to about week 37 (or when labour begins)
At 10 weeks it is 10cm long
At 5 months the fetus can move and kick
At 7 months: fetus is completely developed and increases in weight and length. Lungs also continue developing.
Week 37-42: Baby is “ready” to be born,

6. Stage 4: Labour and birth

7. bibliography