Perinatal Adaptations Flashcards by Gillian Miller

Q

When does the foramen ovale close?

A

Closes by 3 months of age

oxygen releases the pulmonary arterioles

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Q

When does the ductus arteriosum close?

A

Closes by 10-15 hours

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Q

What controls the closure of the DA and foramen ovale?

A

Oxygen

prostaglandins open it

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