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18569 Gynaecology & Obstetrics

True about lecithin – sphingomyelin ratio is

AConcentration of Lecithin and sphingomyelin before 34 weeks in amniotic fluid is equal (Correct Answer)
BConcentration of Lecithin is more than sphingomyelin in amniotic fluid before 34 weeks.
CAfter 32 to 34 weeks, concentration of sphingomyelin relative to Lecithin begins to rise
DThere is increased risk of Respiratory distress syndrome if L/S ratio is > 2