The Placenta ____

question 55

Multiple Choice

The placenta ____.  

• A) forms from endometrial and extraembryonic tissues
• B) will cover about one-half of the inner uterine surface at full term
• C) intermingles fetal blood with maternal blood
• D) secretes only estrogen to maintain the uterine lining during the second and third trimesters
• E) secretes only progesterone to maintain the uterine lining during the second and third trimesters

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