Difference between revisions of "Placenta previa"

(Risk Factors)
(Diagnosis)
Line 12: Line 12:
 
==Diagnosis==
 
==Diagnosis==
 
*Painless vaginal bleeding
 
*Painless vaginal bleeding
*US
+
*U/S - obtain position of placenta
**Shows position of placenta
 
  
 
==Differential Diagnosis==
 
==Differential Diagnosis==

Revision as of 10:00, 22 March 2015

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
  • U/S - obtain 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)