Placenta previa

Background

  1. Placenta that extends near, partially over, or beyond the internal cervical os
    1. Can be total, partial, or marginal
  2. Do NOT perform digital or speculum exam

Risk Factors

  • Uterine scar
  • Advanced maternal age
  • Cigarette smoking
  • Cocaine abuse

Clinical Features


Differential Diagnosis

Abdominal Pain in Pregnancy

The same abdominal pain differential as non-pregnant patients, plus:

<20 Weeks

>20 Weeks

Any time

Evaluation

  • Pelvic ultrasound - obtain position of placenta
  • Type + cross
  • Rho status
  • CBC
  • Coags
  • Fetal Heart Monitoring

Evaluation

Management

  • Requires cesarean- consult ob/gyn emergently
  • Resuscitate

Dispo

  • Admit

See Also

References