Comprehensive and Detailed Explanation From Exact Extract (NCC-Referenced Sources)
AWHONN and Menihan clearly state that classification of decelerations is determined by their timing relative to uterine contractions:
Early decelerations: “mirror the contraction; onset, nadir, and recovery occur simultaneously with the contraction.”
Late decelerations: “begin after the contraction begins and return to baseline after the contraction ends.”
Depth is not a differentiating feature, as both early and late decelerations may vary in depth. The onset-to-nadir interval is used to differentiate variable vs. early/late, not early vs. late.
Thus, timing relative to contractions is the correct NCC-supported answer.
Contribute your Thoughts:
Chosen Answer:
This is a voting comment (?). You can switch to a simple comment. It is better to Upvote an existing comment if you don't have anything to add.
Submit