[On the problem of the effect of the size of the placenta on the course of labor and puerperium].
D005260:Female; D006801:Humans; D007743:Labor, Obstetric / Q000502:physiology*; D010920:Placenta / Q000033:anatomy & histology*; D049590:Postpartum Period / Q000502:physiology*; D011247:Pregnancy; D014937:Work
LABOR/physiology; PLACENTA/anatomy and histology; PUERPERIUM/physiology