The function of the placenta and "placental insufficiency" with especial reference to the development of prolonged foetal distress.
D005260:Female; D005315:Fetal Diseases; D006801:Humans; D008431:Maternal-Fetal Exchange; D010920:Placenta / Q000378:metabolism / Q000502:physiology*; D010926:Placental Hormones / Q000096:biosynthesis; D011247:Pregnancy
D010926:Placental Hormones