Cesarean section in the absence of labor and risk of respiratory complications in newborns. a case-control study
Aim: To establish if labor and gestational age have an additive effect on the likelihood of newborn
respiratory complications.
Methods: Case-control study on singleton pregnancies, delivered between 34 and 41 weeks.
Cases were collected among newborns discharged with diagnoses of respiratory complications,
as codified by ICD 9 1997. Subsequently, pneumonias, meconium aspiration syndromes, and pulmonary
hemorrhage were excluded. Controls were all other newborns without respiratory complications.