Obstetrics Book

Fetal Disorders

Labor Induction

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Natural Childbirth

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Uterine Disorders

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Fetal Disorders Chapter related topics

Hemorrhage Chapter related topics

Infectious Disease Chapter related topics

Pharmacology Chapter related topics

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Nonreassuring Fetal StatusAka: Fetal Distress, Fetal Hypoxia, Birth Asphyxia

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  1. See Also
    1. Fetal Heart Tracing
    2. Fetal Tachycardia
    3. Fetal Bradycardia
    4. Late Deceleration
  2. Causes
    1. Uterine Rupture
    2. Uterine Hyperstimulation
    3. Placental Abruption
    4. Umbilical Cord accident
    5. Uteroplacental Insufficiency
  3. Definition: Nonreassuring Fetal Status (preferred term)
    1. Fetal Heart Tracing suggestive of Hypoxia
  4. Evaluation
    1. Fetal status
      1. Confirm findings with alternative monitoring
        1. Consider fetal scalp electrode
      2. Response to acoustic or scalp stimulation
      3. Consider Fetal Scalp pH (pH < 7.20 is abnormal)
    2. Maternal status
      1. Maternal Vital signs
        1. Temperature
        2. Blood Pressure
        3. Heart Rate
      2. Vaginal examination
        1. Vaginal Bleeding (e.g. Placental Abruption)
        2. Cervical examination
          1. Cervical dilation
          2. Rapid head descent
          3. Umbilical Cord Prolapse
  5. Management: General Measures
    1. Maternal position change
    2. Oxygen 10 liters per minute by non-rebreather mask
    3. Intravenous fluid Resuscitation
    4. Suppress labor
      1. Discontinue Oxytocin
      2. Consider holding pushing
      3. Consider Terbutaline SQ 0.25 mg
    5. Consider Amnioinfusion
    6. Consider Assisted Delivery
      1. Vacuum Assisted Delivery
      2. Forceps Assisted Delivery
      3. Cesarean section
    7. Consider consultation
      1. Obstetrics
      2. Neonatology or Pediatrics

Fetal Hypoxia (C0349489)

Definition (NCI)Hypoxia in utero, caused by conditions such as inadequate placental function (often abruptio placentae), preeclamptic toxicity, prolapse of the umbilical cord, or complications from anesthetic administration.
Definition (NCI)Hypoxia in utero, caused by conditions such as inadequate placental function (often abruptio placentae), preeclamptic toxicity, prolapse of the umbilical cord, or complications from anesthetic administration.
Definition (MSH)Deficient oxygenation of FETAL BLOOD.
ConceptsDisease or Syndrome (T047)
MSHD005311
EnglishFetal Hypoxia, fetus hypoxia, In Utero Hypoxia
Spanishhipoxia fetal
Parent ConceptsAnoxia (C0003130), Fetal Diseases (C0015929), Hypoxia (C0242184), Hypoxia, asphyxia AND/OR other respiratory condition of fetus AND/OR newborn (C1263834)
SourcesCSP, MSH, MTH, NCI, SCTSPA, SNOMEDCT
Derived from the NIH UMLS (Unified Medical Language System)



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