Maternal and perinatal factors associated with cord blood thyroid-stimulating hormone levels: a cross-sectional study.
Purpose Congenital hypothyroidism (CH) is the most common preventable cause of intellectual disability in children. Umbilical cord blood thyroid-stimulating hormone (TSH) is used for neonatal screening, but maternal and perinatal influences on cord blood TSH remain incompletely understood. This study aimed to identify maternal and perinatal factors associated with cord blood TSH levels. Methods A descriptive, cross-sectional study was conducted among 1,088 consecutive live births at a tertiar...