Secular Trends in Age at Menarche, Smoking, and Oral Contraceptive Use Among Israeli Girls
Introduction The improved nutrition and socioeconomic status of the population in industrialized countries has resulted in a decrease in the mean age at menarche. This trend raises the question of whether cigarette smoking and the use of oral contraceptives, health behaviors often adopted during ad...
Main Authors: | , , , , |
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Format: | Article |
Language: | English |
Published: |
Centers for Disease Control and Prevention
2005-03-01
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Series: | Preventing Chronic Disease |
Subjects: | |
Online Access: | http://www.cdc.gov/pcd/issues/2005/apr/04_0063.htm |