title: Sex differences in gonadotrophin concentrations in infancy.
mesh_terms: D000367:Age Factors; D002675:Child, Preschool; D005260:Female; D005640:Follicle Stimulating Hormone / Q000097:blood*; D006065:Gonadotropins, Pituitary / Q000097:blood* / Q000502:physiology; D006801:Humans; D007223:Infant; D007231:Infant, Newborn; D007986:Luteinizing Hormone / Q000097:blood*; D008297:Male; D009929:Organ Size; D010053:Ovary / Q000254:growth & development; D012737:Sex Factors; D013737:Testis / Q000254:growth & development
chemical_list: D006065:Gonadotropins, Pituitary; D007986:Luteinizing Hormone; D005640:Follicle Stimulating Hormone