Mary is pregnant and is telling you about how she is worried that her baby is floating around in her uterus with noting holding him in place. Which of the following would be most helpful to tell Mary about in order to ease her worries?
A - Her blood and the baby's blood work together
B - Trophoblasts form columns of cells that anchor the fetus to the uterine wall
C - The placenta is keeping her baby nourished
D - The umbilical cord is attached to both the fetus and the mother
Answer: B - Trophoblasts form columns of cells that anchor the fetus to the uterine wall
The PLACENTA has three jobs:
1) Attach the fetus to the uterine wall
2) Provide nutrients to the fetus
3) Allow the fetus to transfer waste products to the mother's blood