Placenta abruptio
A) is a life-threatening event that involves premature separation of the placenta.
B) occurs when the blastocyst implants so low in the uterus that the placenta covers the cervix.
C) decreases the chance that the baby will experience anoxia during labor and delivery.
D) involves the squeezing of the umbilical cord due to its position during delivery.
Answer: A
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