Obstetrics Book


Late Deceleration

Aka: Late Deceleration, FHR Late Deceleration
  1. See Also
    1. Fetal Assessment
    2. Fetal Testing Indications
    3. Fetal Heart Tracing
  2. Definition
    1. Begins after contraction starts
    2. Ends after contraction is over
    3. Contrast with Early Deceleration
    4. Subtle Late Decelerations may also be significant
  3. Causes
    1. More ominous if associated with decreased variability
    2. Fetal acidosis
    3. Fetal Hypoxemia
    4. Uteroplacental insufficiency
  4. References
    1. Bailey (2000) ALSO, E:1-13
    2. Gabbe (2002) Obstetrics, p. 395
    3. Rylander (2001) Clin Fam Pract 3(2):287-305 [PubMed]

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