The age of the conceptus, beginning from the time of FERTILIZATION. In clinical obstetrics, the gestational age is often estimated as the time from the last day of the last MENSTRUATION which is about 2 weeks before OVULATION and fertilization
Persons classified by age from birth (INFANT, NEWBORN) to octogenarians and older (AGED, 80 AND OVER)
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age group. : Human capital in the United States from 1975 to 2000 : patterns of growth and utilization / Robert H. Haveman, Andrew Bershadker, Jonathan A. Schwabish
Age groups: adolescents -- Spain -- Latin America. : Representing history, class, and gender in Spain and Latin America : children and adolescents in film / edited by Carolina Rocha and Georgia Seminet
Age groups -- Australia -- Western Australia : Friendships, peer socialization and social identity among adolescent skateboarders and graffiti writers / Myra Taylor, Stephen Houghton and John Bednall
Age groups: children -- English. : The child in British literature : literary constructions of childhood, medieval to contemporary / edited by Adrienne E. Gavin
2012
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Age groups: children -- India. : Inhabiting 'childhood' : children, labour and schooling in postcolonial India / Sarada Balagopalan
Age groups: children -- Spain -- Latin America. : Representing history, class, and gender in Spain and Latin America : children and adolescents in film / edited by Carolina Rocha and Georgia Seminet
Age groups in art : Alterstopoi : das Wissen von der Lebensaltern in Literatur, Kunst und Theologie / herausgegeben von Dorothee Elm [and others]
2009
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Age groups in art -- Congresses : Alterstopoi : das Wissen von der Lebensaltern in Literatur, Kunst und Theologie / herausgegeben von Dorothee Elm [and others]
Age groups in literature -- Congresses : Alterstopoi : das Wissen von der Lebensaltern in Literatur, Kunst und Theologie / herausgegeben von Dorothee Elm [and others]
2009
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Age groups -- Japan : Intergenerational programs : support for children, youth, and elders in Japan / Matthew Kaplan [and others]
