title: Serum levels of gonadotrophins in relation to multiple pregnancy in Nigeria.
mesh_terms: D005260:Female; D005640:Follicle Stimulating Hormone / Q000097:blood*; D006801:Humans; D007986:Luteinizing Hormone / Q000097:blood*; D008598:Menstruation; D009549:Nigeria; D010060:Ovulation; D011247:Pregnancy; D011272:Pregnancy, Multiple; D011863:Radioimmunoassay; D013997:Time Factors; D014427:Twins
chemical_list: D007986:Luteinizing Hormone; D005640:Follicle Stimulating Hormone