Intrapartum amniotic fluid index and neonatal acidosis. A pilot study to determine the correlation.
The purpose of a prospective study was to determine if there was a significant association between an intrapartum amniotic fluid index (AFI) < or = 5.0 cm and neonatal acidosis (umbilical arterial pH < 7.20 or metabolic acidosis [umbilical arterial pH < 7.20 and base deficit > 10 mEq/L]). In early labor 101 gravidas at > or = 37 gestational weeks underwent a four-quadrant amniotic fluid assessment; at delivery, umbilical arterial acid-base levels were determined. Among women with AFI < or = 5.0 cm as compared to those with AFI > 5.0 cm, the fetuses were more likely to have neonatal acidosis (31.2% versus 17.6%, respectively) and metabolic acidosis (25.0% versus 10.5%, respectively), although the differences were not statistically significant.
Chauhan
S P
SP
Department of Obstetrics and Gynecology, United States Naval Hospital, Naples, Italy.
Rutherford
S E
SE
Sharp
T W
TW
Carnevale
T A
TA
Runzel
A R
AR
D000138:Acidosis / Q000151:congenital / Q000209:etiology*; D000653:Amniotic Fluid; D005260:Female; D005312:Fetal Blood / Q000737:chemistry*; D006801:Humans; D006863:Hydrogen-Ion Concentration; D007231:Infant, Newborn; D007743:Labor, Obstetric / Q000097:blood*; D016104:Oligohydramnios / Q000150:complications; D010865:Pilot Projects; D011247:Pregnancy; D011446:Prospective Studies; D012680:Sensitivity and Specificity