title: [Decreased prostaglandin dehydrogenase activity and progesterone level in the human placenta during early pregnancy].
mesh_terms: D005260:Female; D006801:Humans; D006911:Hydroxyprostaglandin Dehydrogenases / Q000032:analysis*; D010920:Placenta / Q000032:analysis / Q000201:enzymology*; D011247:Pregnancy; D011261:Pregnancy Trimester, First; D011374:Progesterone / Q000032:analysis*
chemical_list: D011374:Progesterone; D006911:Hydroxyprostaglandin Dehydrogenases
vernacular_title: Az emberi méhlepény csökkent prostaglandin-dehydrogenase aktivitása és progesteron szintje a terhesség korai szakában.