Basic Anatomy Review

Question 1

Placental Blood Flow (Maternal Circulation)

Answer 1

• umbilical arteries (deoxygenated blood)
• Umbilical Vein (oxygenated blood)
• Umbilical cord
• Amnion
• Chorion (Fetal)
• Decidua (materana)
• Endometrial artery
• Endometrial vein

Question 2

• Role of Placenta
• Poor implementation can lead to?
• What does Placenta produces?

Answer 2

• site of fetal nutritive, respiratory, and excretory function
• discoid mass composed of fetal (chorion frondosum) and maternal (decidua basalis) tissues
  divided by ssures into cotyledons (lobules) on the uterine side
• produces hormones such as progesterone, placental lactogen, estrogen, relaxin, β-hCG, and
  IGFs
• poor implantation can lead to spontaneous abortion
• abnormal location, implantation, or detachment can lead to antepartum hemorrhage
  (see Obstetrical Hemorrhage, OB14)

Question 3

What does Placenta produces?

Answer 3

produces hormones such as progesterone, placental lactogen, estrogen, relaxin, β-hCG, and
IGFs

Question 4

What does poor implementation of Placenta lead to?

Answer 4

• poor implantation can lead to spontaneous abortion
• abnormal location, implantation, or detachment can lead to antepartum hemorrhage
  (see Obstetrical Hemorrhage, OB14)