Surfactant appears in amniotic uid at the gestational age of
Correct Answer: 28 wks
Description: Read below what Nelson has to say about the appearance of surfactant.
"Surfactant is present in high concentrations in fetal lung homogenates by 20 wk gestation* but does not reach the surface of the lung until later. It appears in the amniotic uid between 28-32 wks. Mature level of pulmonary surfactant is usually present after 35 wks".
Now I am leaving it to you to decide between 28 and 32 wks. I personally feel the answer should be 28 wks
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Gynaecology & Obstetrics
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