Perinatal Adaptations Flashcards
1
Q
When does the foramen ovale close?
A
Closes by 3 months of age
oxygen releases the pulmonary arterioles
2
Q
When does the ductus arteriosum close?
A
Closes by 10-15 hours
3
Q
What controls the closure of the DA and foramen ovale?
A
Oxygen
prostaglandins open it