Acknowledgment

Joint Effect of Paternal and Maternal Age on the Prevalence of Low Birth Weight in the United States

Objective: Prior studies of the effect of father’s age on the risk of low birth weight (LBW, infant weight < 2500 g) have been inconclusive. In addition, previous investigators have not conducted a detailed analysis to determine whether paternal age (PA) interacts with maternal age (MA) on the outcome of...