Age of Onset of Puberty in Apparently Healthy School Girls from Northern India.
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Date
2016-05
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Abstract
Objective: To determine the age of pubertal onset and menarche in school-going girls, and to assess the impact of obesity on pubertal timing.
Design: Cross-sectional
Setting: Seven schools across Delhi, India.
Participants: 2010 school girls, aged 6-17 years
Methods: Anthropometric measurement and pubertal staging was performed for all subjects. Menarche was recorded by ‘status quo’ method. Body mass index was used to define overweight/obesity. Serum gonadotropins and serum estradiol were measured in every sixth participant.
Main outcome measure: Age at thelarche and menarche—analyzed for entire cohort and stratified based on body mass index.
Results: Median (95% CI) ages of thelarche, pubarche and menarche were 10.8 (10.7-10.9) y, 11.0. y (10.8-11.2) y and 12.4 y (12.2-12.5) y. Overweight/obese girls showed six months earlier onset of thelarche and menarche than those with normal BMI (P<0.05). Serum gonadotropins did not vary significantly in overweight/obese subjects.
Conclusion: The study provides the normative data for pubertal growth in Indian girls. Pubertal onset occurs earlier in overweight and obese girls.
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Keywords
Adolescent, Menarche, Obesity, Pubarche, Thelarche
Citation
Rajesh Khadgawat, RK Marwaha, Neena Mehan, Vineet Surana, Aashima Dabas, V Sreenivas, M Ashraf Gaine and Nandita Gupta. Age of Onset of Puberty in Apparently Healthy School Girls from Northern India. Indian Pediatrics. 2016 May; 53(5): 383-387.