Development 4 Flashcards
1
Q
What is the term for childbirth? What are the 3 stages?
A
Parturition
38-42 weeks from conception
Three stages
Labour
Delivery
Afterbirth
2
Q
What happens in Labour?
A
involuntary rhyhtmic contraction of the uterus
cause cervix to dilate to 10 cm
3
Q
What happens in Delivery?
A
involuntary uterine contractions
voluntary abdominal contractions
mother forces baby out cervix and vagina
4
Q
What happens in Afterbirth?
A
blood vessels in placenta contract
placenta separates from uterine wall and it expelled by muscle contractions