Difference between revisions of "Placenta previa"

(Risk Factors)
Line 5: Line 5:
==Risk Factors==
==Risk Factors==
#Uterine sx
*Uterine scar
#Advanced maternal age
*Advanced maternal age
#Cigarette smoking
*Cigarette smoking
#Cocaine abuse
*Cocaine abuse

Revision as of 09:59, 22 March 2015


  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


  • 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


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


  1. C-section



See Also

Vaginal Bleeding (Main)