cardiovascular (CV) changes at birth
Last reviewed 06/2021
The key events underlying changes to the fetal circulation after birth are the:
- initiation of respiration
- ending of placental blood flow
The circulation changes at birth may be considered in terms of changes to the:
- umbilical arteries
- umbilical veins
- ductus venosus
- ductus arteriosus
- foramen ovale
umbilical arteries (changes after birth)
umbilical veins (changes after birth)
ductus venosus (changes after birth)
foramen ovale (changes after birth)
ductus arteriosus (changes after birth)