Which of the following conditions occurs when the placenta forms over the mouth of the cervix, blocking the birth canal?
a. placenta previa
b. abruptio placentae
c. choriocarcinoma
d. eclampsia
a
Explanation:
a. placenta previa: correct
b. abruptio placentae: is a tear in the placenta
c. choriocarcinoma: is cancer of the chorion
d. eclampsia: is high blood pressure in pregnancy
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