title: [Plasma LH-beta levels in the early pregnancy (author's transl)].
mesh_terms: D005260:Female; D006801:Humans; D007986:Luteinizing Hormone / Q000097:blood*; D011247:Pregnancy; D011261:Pregnancy Trimester, First; D011863:Radioimmunoassay / Q000379:methods; D011933:Reagent Kits, Diagnostic
chemical_list: D011933:Reagent Kits, Diagnostic; D007986:Luteinizing Hormone