iarjhssIARJHSSIARJHSS2708-6267https://doi.org/10.47310/iarjhss.2020.v01i02.014The Correlation of Prenatal and Childhood Environment Smoking Exposure with Early Pubertal Events in Lebanese Boys and Girls in 2020-2021. An Interview Questionnaire Based StudyNahedAhmadDamajAtef AkoumBilal ChamaaDimaKhreisRouwaydaDanaBassem AbouMerhiSoulafAbouKhashfeLebanese University-Faculty of Medical Sciences, Beirut, LebanonPediatrician, Private Clinic, Beirut, LebanonAssociate Professor of Clinical Pediatrics, Lebanese University-Faculty of Medical Sciences, Department of Pediatric, Beirut, LebanonIntroduction: Secondhand smoking is a major problem encountered in childhood and prenatally. Many studies showed its association with early pubertal events in the growing child. Such studies are lacking in Lebanon. Objectives: The objective of this study is to determine if a correlation exists between early pubertal events and secondhand smoking during childhood or maternal smoking during pregnancy in Lebanon. It also aims to correlate the association of these smoking habits with the educational level. The study also assesses the prevalence of early pubertal events and defines such events when they occur. The effects of smoking during pregnancy on birth events are also tackled. Methods: A cross-sectional study is conducted using a questionnaire to interview teenagers between 14 and 16 years of age about their pubertal events and their exposure to smoke. They were divided into groups according to their exposure. By using the SPSS software, the associations between different variables are determined by a chi square test. Results: No association was observed between secondhand smoking during childhood or a smoking pregnant mother and early pubertal events. The prevalence of early puberty is 11.1%. Most frequent early pubertal events were spurt growth and pubic hair growth in girls and ejaculation and axillary hair growth in boys. Smoking during pregnancy was not associated with increased birth events. No association was seen between the educational level and exposure of a child to smoke or smoking during pregnancy. Conclusion: Early pubertal events were seen in 11.1% of the population and were not associated with the exposure to smoke, prenatally or postnatally. The educational level of a parent does not affect smoking during pregnancy or exposure of a child to smoke.