title: Biological factors and fetal growth.
mesh_terms: D001724:Birth Weight; D044383:Black People; D005314:Embryonic and Fetal Development; D005006:Ethnicity; D005260:Female; D006801:Humans; D006823:Hybrid Vigor; D007198:Indians, North American; D007231:Infant, Newborn; D008431:Maternal-Fetal Exchange; D011247:Pregnancy; D012730:Sex Chromosomes; D044465:White People