Lead exposure and its association with pubertal development in school‐age Egyptian children: Pilot study

Background: The aim of the present study was to determine blood lead levels in a group of Egyptian school‐age children and assess its relationship to pubertal development. Methods: Forty‐one children were recruited from high‐ and low‐pollution areas in Cairo, Egypt. Sexual maturation was evaluated using Tanner score. Measurements of blood lead and serum levels of follicle stimulation hormone (FSH), luteinizing hormone (LH), estradiol in girls...