BACKGROUND An association between a woman's own birthweight and her fecundity has been suggested, but no empirical data have been published on the association between maternal birthweight and waiting time to pregnancy (TTP). METHODS In the Danish National Birth Cohort (1996-2002), which is an ongoing study of 92 274 women and their pregnancies, information about TTP and prepregnancy BMI was c...

BACKGROUND Health outcomes throughout the life course have been linked to fetal growth restriction and low birthweight. A variety of measures exist to define low birthweight, with a lack of consensus regarding which predict adverse outcome. OBJECTIVES To evaluate the relationship between birthweight standards and childhood and adult outcomes in term-born infants (≥37 weeks' gestation). SEAR...

To determine whether history of chronic lung disease (CLD) in children born at very low birthweight (VLBW) confers additional risk for impaired health, growth, and neurodevelopment, 17 VLBW children born in 1984 who had CLD (requiring supplemental oxygen more than 30 days after birth) in infancy and 28 VLBW children who did not have CLD were assessed at age 7 years. Assessments included a medic...

Over several decades, survival rates of low birth weight (LBW) infants have markedly increased. Following a downward trend from 2007 to 2014, the U.S. low birthweight rate (the percentage of infants born at less than 2,500 grams or 5 lbs., 8 oz.) rose in 2015 to 8.07%, up from 8.00% in 2014. 1 The percentage of very low birthweight (VLBW) infants (less than 1,500 grams) was stable at 1.39% in 2...