A member asked:

How far into in the pregnancy are the babies lungs mature at?

6 doctors weighed in across 2 answers
Dr. Kyon Hood answered

Specializes in Pediatrics

34 weeks GA: Typically antenatal steroids are given to mothers who are going to deliver before 34 weeks gestation, as the lungs aren't mature by this time. They still may be given after 34 weeks, in some circumstances, but most babies have mature lungs and breathe well on their own without mothers getting steroids by 34 wks GA.

Answered 11/28/2017

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@34 weeks: gestation but may vary slightly.

Answered 7/21/2014

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