The density of bones in the fetal skeleton.
D000367:Age Factors; D000886:Anthropometry; D044383:Black People; D001846:Bone Development; D001842:Bone and Bones / Q000033:anatomy & histology / Q000196:embryology*; D055598:Chemical Phenomena; D002627:Chemistry, Physical; D005260:Female; D005269:Femur / Q000196:embryology; D005865:Gestational Age; D006801:Humans; D006811:Humerus / Q000196:embryology; D008297:Male; D008433:Mathematics; D009929:Organ Size; D010012:Osteogenesis; D044469:Racial Groups; D011884:Radius / Q000196:embryology; D012737:Sex Factors; D013223:Statistics as Topic; D013977:Tibia / Q000196:embryology