Amniotic Fluid Optical Density Determination as a Test for Assessment of Fetal Lung Maturity.

Amniotic Fluid Optical Density Determination Between 28 and 36 6/7 Weeks of Pregnancy and Its Relationship With the Diagnosis of Neonatal Respiratory Distress Syndrome.

To determine the relationship between the result of amniotic fluid optical density between 26 and 36 6/7 weeks of pregnancy and the risk of developing neonatal respiratory distress syndrome.

Inclusion Criteria:

• Pregnancy between 26 and 36 6/7 weeks.

Exclusion Criteria:

• Problems in the handling of the amniotic fluid sample that prevented the calculation of the optical density.