Methods of determining fetal maturity.
D000649:Amniocentesis; D000653:Amniotic Fluid / Q000032:analysis; D003404:Creatinine / Q000032:analysis; D005188:False Negative Reactions; D005189:False Positive Reactions; D005260:Female; D005323:Fetal Monitoring / Q000379:methods*; D005325:Fetal Organ Maturity; D006801:Humans; D007231:Infant, Newborn; D008168:Lung / Q000196:embryology*; D010743:Phospholipids / Q000032:analysis; D011247:Pregnancy; D012127:Respiratory Distress Syndrome, Newborn / Q000517:prevention & control
D010743:Phospholipids; D003404:Creatinine