CST / Contraction Stress Test

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[ ] Contraindicated if you dont want them contracting..

[ ] Adequate if 3 contractions lasting 40 seconds in 10 min period

May induce with Nipple Stimulation or Oxytocin
Nipple stimulation is usually faster

[ ] Results

Negative (No late or significant variable decels)
Positive (Late decels after 50% or more of ctx)
Equivocal/Suspicious (Intermittent Lates / Suspicious Variables)
Equivocal (FHR decel occur w/ ctx more frequent than q2 min or lasting >90sec)
Unsatisfactory (<3ctx in 10 min or uninterpretable)
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