Reproduction: pregnancy Flashcards
1
Q
How long is the human gestation period?
A
40 weeks/9 months
2
Q
How long is the 1st trimester?
A
8-12 weeks
3
Q
How long is the 2nd trimester?
A
16-32 weeks
4
Q
How long is the 3rd trimester?
A
32-40 weeks
5
Q
From when is the embryo called a foetus?
A
3 months, when the bones start to develop.
6
Q
What is the purpose of the placenta?
A
The placenta allows the exchange of nutrients and oxygen from the mother’s body to the foetus and the wast of the foetus to the mother’s body for excrition.
