Prenatal maternal factors such as socioeconomic status, smoking and chorioamnionitis were found in a study to be associated with the risk for retinopathy of prematurity in preterm infants.
Prenatal maternal variables have not typically been considered as risk factors for ROP development, and yet there is evidence to support a prenatal phase in ROP pathogenesis. A study conducted at the University of California, Los Angeles, included 236 mother-infant dyads in which infants were born at 22 to 30 weeks gestational age and referred for ROP screening. Maternal sociodemographic information,