Vaginal Bleeding in Pregnancy

Vaginal Bleeding in Pregnancy is a topic covered in the 5-Minute Emergency Consult.

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Basics

Description

  • Major cause of maternal/fetal morbidity and mortality
  • Early pregnancy hemorrhage (≤20 wk):
    • Occurs in 30% of all pregnancies
    • 50% lead to spontaneous abortion
  • Late pregnancy hemorrhage (>20 wk):
    • Occurs in 3–5% of all pregnancies
  • Risk factors:
    • Advanced maternal age
    • Substance abuse
    • Pelvic inflammatory disease (PID)
    • Previous cesarean section
    • Previous termination of pregnancy
    • Previous dilation and curettage (D&C)
    • Previous ectopic pregnancy
    • Increased parity
    • Multiple gestation
    • Preeclampsia
    • Hypertension
    • Trauma
    • Use of assisted reproductive technology
  • Genetics:
    • 50–60% of miscarriages due to chromosomal abnormalities

Etiology

  • Vaginal
  • Cervical
  • Uterine
  • Uterine–placental interface
  • Hematologic dysfunction

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Citation

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TY - ELEC T1 - Vaginal Bleeding in Pregnancy ID - 307531 Y1 - 2016 PB - 5-Minute Emergency Consult UR - https://emergency.unboundmedicine.com/emergency/view/5-Minute_Emergency_Consult/307531/all/Vaginal_Bleeding_in_Pregnancy ER -