A 23-year-old woman was seen in the emergency department with severe vaginal bleeding. She was 35 weeks pregnant. On questioning she stated that she had slight bleeding a week previously but this had stopped spontaneously. There was absolutely no pain associated with the bleeding. On examining the abdomen, it was found that the fetal head was high, and it was not possible to make it enter the pelvis. The uterus had a normal consistency and was not tender. On examination of the genital organs, no cause for the bleeding could be determined. A diagnosis of placenta previa was made. What is placenta previa? What is the cause of the bleeding? Why is the bleeding painless?

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The Answer of A 23-year-old woman was seen in the emergency department with severe vaginal bleeding. She was 35 weeks pregnant. On questioning she stated that she had slight bleeding a week previously but this had stopped spontaneously. There was absolutely no pain associated with the bleeding. On examining the abdomen, it was found that the fetal head was high, and it was not possible to make it enter the pelvis. The uterus had a normal consistency and was not tender. On examination of the genital organs, no cause for the bleeding could be determined. A diagnosis of placenta previa was made. What is placenta previa? What is the cause of the bleeding? Why is the bleeding painless?

A 23-Year-Old Woman Was Seen in the Emergency Department with Severe