title: [Introduction to obstetrical endocrinology. 4. The maintenance of pregnancy and the onset of labor. 3. Prostaglandins and the mechanism of labor].
mesh_terms: D005260:Female; D006801:Humans; D007745:Labor Onset; D007743:Labor, Obstetric; D011247:Pregnancy; D011255:Pregnancy Maintenance; D011453:Prostaglandins / Q000502:physiology*
chemical_list: D011453:Prostaglandins