CNM Certified Nurse Midwife

Category - Intrapartum

After an ultrasound, a client in labor is informed that she has a low-lying placenta. Which of the following statements accurately describes the client’s diagnosis?
  1. The placenta is improperly implanted in the upper uterine segment.
  2. The placenta attaches in the lower uterine segment but it does not reach the cervical os.
  3. Only the edge of the placenta extends to the os.
  4. The internal os is covered entirely by the placenta.
Explanation
Answer: B - A low-lying placenta is implanted in the lower uterine segment, but it does not reach the os. A placenta lying low in the uterine segment near or over the internal cervical os indicates placenta previa. Option C refers to marginal placenta. A total placenta previa covers the entire os when the cervix is fully dilated.
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