How is external rotation during labor defined?

Updated: Jan 24, 2019
  • Author: Sarah Hagood Milton, MD; Chief Editor: Christine Isaacs, MD  more...
  • Print


When the fetus' head is free of resistance, it untwists about 45° left or right, returning to its original anatomic position in relation to the body.

Did this answer your question?
Additional feedback? (Optional)
Thank you for your feedback!