When is a mother's blood cross-matched prior to a cesarean delivery (C-section)?

Updated: Dec 14, 2018
  • Author: Hedwige Saint Louis, MD, MPH, FACOG; Chief Editor: Christine Isaacs, MD  more...
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Some patients require blood to be cross-matched, with blood in storage available. The most common situation is a patient who has had prior laparotomies (including several prior cesarean deliveries), patients with known or suspect placenta previa or placenta accreta, or one who develops a coagulopathy from either severe preeclampsia or significant hemorrhage.

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