Early decelerations are uniform, mirror the contractions, and decelerate only 10 to 20 beats per minute.
Reproduced with permission from: Freeman RK, Garite TJ, Nageotte MP, Miller LA. Basic Pattern Recognition. In: Fetal Heart Rate Monitoring. Lippincott, Williams & Wilkins, Philadelphia 2012. Copyright © 2012 Lippincott Williams & Wilkins.
www.lww.com.