title: Evidence of testicular activity in early infancy.
mesh_terms: D001769:Blood; D005260:Female; D006801:Humans; D007223:Infant; D007231:Infant, Newborn; D008297:Male; D011863:Radioimmunoassay; D012737:Sex Factors; D013739:Testosterone / Q000097:blood*; D014470:Umbilical Cord
chemical_list: D013739:Testosterone