Vasa previa
Contents
Background
- Fetal blood vessels from the umbilical cord run in close proximity to cervical os
- Seldom recognized prior to vessel disruption
Risk Factors
- Placenta previa
- IVF
- Bilobed placenta
Evaluation
- Painless bleeding occurs during SROM
- Fetal in origin (mother's life is not at risk)
- May lead to fetal exsanguination
Differential Diagnosis
Abdominal Pain in Pregnancy
The same abdominal pathologies as non-pregnant patients, plus:
<20 Weeks
- Ectopic pregnancy
- First trimester abortion
- Complete Abortion
- Threatened Abortion
- Inevitable Abortion
- Incomplete Abortion
- Missed Abortion
- Septic abortion
- Round ligament stretching
- Incarcerated uterus
- Malposition of the uterus
>20 Weeks
- Labor/Preterm labor
- Placental abruption
- Placenta previa
- Vasa previa
- Uterine rupture
- Vaginal trauma
- HELLP syndrome
- Cholestasis of pregnancy
- Chorioamnionitis
- Incarcerated uterus
- Acute fatty liver of pregnancy
- Malposition of the uterus
- Placenta accreta
- Placenta increta
- Placenta percreta
Any time
- Hemorrhagic ovarian cyst
- Fibroid degeneration or torsion
- Ovarian torsion
- Constipation
Vaginal Bleeding in Pregnancy (>20wks)
- Placental abruption
- Placenta previa
- Vasa previa
- Uterine rupture
- Preterm labor
- Vaginal trauma
- Placenta accreta
- Intrauterine fetal demise
Management
C-section
See Also
References
See Also
Authors:
Allen Bookatz, Jordan Swartz, Neil Young, Daniel Ostermayer, robot, Ross Donaldson