Effects of blood or meconium on the determination of the amniotic fluid lecithin/sphingomyelin ratio

Effects of blood or meconium on the determination of the amniotic fluid lecithin/sphingomyelin ratio

Increasing quantities of maternal and fetal serum were added to amniotic fluids with original high or low lecithin/sphingomyelin (L/S) ratios. It was found that serum contains an L/S ratio of approximately 1.31 to 1.46 and therefore its addition lowered high L/S ratios and raised low L/S ratios. The...

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Veröffentlicht in:American journal of obstetrics and gynecology 1975-02, Vol.121 (3), p.321-323
Hauptverfasser: Buhi, W.C., Spellacy, W.N.
Format: Artikel
Sprache:eng
Schlagworte:
Amniotic Fluid - analysis
Blood
Female
Humans
Meconium
Phosphatidylcholines - analysis
Phosphatidylcholines - blood
Pregnancy
Prenatal Diagnosis - standards
Sphingomyelins - analysis
Sphingomyelins - blood
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Zusammenfassung:Increasing quantities of maternal and fetal serum were added to amniotic fluids with original high or low lecithin/sphingomyelin (L/S) ratios. It was found that serum contains an L/S ratio of approximately 1.31 to 1.46 and therefore its addition lowered high L/S ratios and raised low L/S ratios. The addition of meconium to amniotic fluid decreased the L/S ratio.
ISSN:0002-9378
1097-6868
DOI:10.1016/0002-9378(75)90006-X