• References

    Placenta previa. American Pregnancy Association website. Available at: Updated May 2007. Accessed August 6, 2013.

    Placenta previa. EBSCO DynaMed website. Available at: Updated October 15, 2012. Accessed August 6, 2013.

    Pregnancy complications. US Office on Women's Health website. Available at: Updated September 27, 2010. Accessed August 6, 2013.

    5/12/2014 DynaMed's Systematic Literature Surveillance Podrasky AE, Javitt MC, et al. American College of Radiology (ACR) Appropriateness Criteria for second and third trimester bleeding. Available at: Updated 2013. Accessed May 12, 2014.

  • Resources

    American Congress of Obstetricians and Gynecologists - American Academy of Family Physicians

  • Canadian Resources