Birth weight and fetal growth in infants born to female hairdressers and their sisters.
OBJECTIVES: To investigate birth weight and fetal growth in female hairdressers, while controlling for intergenerational effects and effects related to childhood exposures. METHODS: A cohort of women who had attended vocational schools for hairdressers were compared to their sisters with respect to birth weight and fetal growth (measured as small or large for gestational age, SGA and LGA, respecti