II. Pathophysiology

  1. Atopic Eruption of Pregnancy is a collection of immunologic-induced Pruritic Conditions

III. Causes: Atopic Eruption of Pregnancy

  1. Prurigo of Pregnancy (Common)
    1. Onset in second-half of pregnancy
    2. Erythematous Papules and Nodules over extensor arms and Abdomen
    3. Associated with Atopic Dermatitis
  2. Eczema of Pregnancy or Atopic Dermatitis of Pregnancy (common)
    1. Pruritic Eczematous Dermatitis affecting the face, chest and flexor extremity surface
  3. Pruritic Folliculitis of Pregnancy (uncommon)
    1. Prurigo of Pregnancy variant
    2. Pruritus is very mild (not a key feature)
    3. Onset in second half of pregnancy and resolves postpartum
    4. Diffuse erythematous follicular Papules over trunk (Abdomen, chest, back)
    5. Lesions spread to extremities (esp. arms)

IV. Differential Diagnosis

V. Course

  1. Onset in first trimester or second trimester of pregnancy
  2. Resolves postpartum within 2 to 3 months

VII. Complications

  1. Not associated with adverse fetal effects

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Related Studies

Ontology: Prurigo of pregnancy (C0406792)

Concepts Disease or Syndrome (T047)
SnomedCT 239103006
English prurigo gestationis (diagnosis), prurigo gestationis, pregnancy prurigo, prurigo pregnancy, prurigo of pregnancy, Early onset pregnancy prurigo, Prurigo gestationis of Besnier, Prurigo of pregnancy, Prurigo of pregnancy (disorder)
Spanish prurigo del embarazo (trastorno), prurigo del embarazo, prurigo gestacional de Besnier