Preterm birth is associated with higher prevalence of wheeze and asthma in a selected population of Japanese children aged three years

The present cross-sectional study investigated the associations between low birthweight (LBW), high birthweight, preterm birth (PTB), postterm birth, small for gestational age (SGA), and large for gestational age (LGA) and the prevalence of wheeze and asthma in Japanese children aged three years (age range, 33–54 months; mean age, 38.7 months). Study subjects were 6364 children. A questionnaire was used to collect all data. Wheeze and asthma...