Objective To study the effect of pregnancy-induced hypertension syndrome(PIH) on complications in very low birth weight(VLBW) preterm infants. Methods The VLBW preterm infants were enrolled as research subjects, and according to the presence or absence of PIH in their mothers, they were divided into PIH group and nonPIH group. The incidence of major complications and length of hospital stay were compared between the two groups. Results There were no significant differences between the two groups in gestatio...