نتایج جستجو برای: menarcheal age

تعداد نتایج: 755669  

Journal: :Journal of the Formosan Medical Association = Taiwan yi zhi 2008
Eddie Hsiang-Hua Lai Jenny Zwei-Chieng Chang Chung-Chen Jane Yao Shih-Jaw Tsai Jen-Pei Liu Yi-Jane Chen Chun-Pin Lin

BACKGROUND/PURPOSE The age at menarche reflects a pubertal girl's physiologic maturity. The aims of this study were to evaluate the relationship between the age at menarche and skeletal maturation in female orthodontic patients. METHODS Hand-wrist radiographs and lateral cephalometric radiographs from 304 adolescent female subjects (age, 8-18.9 years) were selected from the files of the Depar...

Journal: :Pediatrics 2005
Melinda Denham Lawrence M Schell Glenn Deane Mia V Gallo Julia Ravenscroft Anthony P DeCaprio

BACKGROUND Children are commonly exposed at background levels to several ubiquitous environmental pollutants, such as lead and persistent organic pollutants, that have been linked to neurologic and endocrine effects. These effects have prompted concern about alterations in human reproductive development. Few studies have examined the effects of these toxicants on human sexual maturation at leve...

نمودار تعداد نتایج جستجو در هر سال

با کلیک روی نمودار نتایج را به سال انتشار فیلتر کنید