Placenta previa

Revision as of 09:59, 22 March 2015 by Arsmd (talk | contribs) (Risk Factors)

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

Diagnosis

  • Painless vaginal bleeding
  • US
    • Shows position of placenta

Differential Diagnosis

Abdominal Pain in Pregnancy

The same abdominal pathologies as non-pregnant patients, plus:

<20 Weeks

>20 Weeks

Any time

  • Hemorrhagic ovarian cyst
  • Fibroid degeneration or torsion
  • Ovarian torsion
  • Constipation

Management

  1. Type + cross
  2. CBC
  3. Coags
  4. Fetal Heart Monitoring

Treatment

  1. C-section

Source

Tintinalli

See Also

Vaginal Bleeding (Main)