In plain words
Polymorphic eruption of pregnancy is an itchy rash that often starts in the last weeks of pregnancy. It usually shows up as raised red bumps and patches, often inside the on the belly. It can spread to the thighs, buttocks, arms, and legs. It is common, and it is not known to harm the baby. The rash often fades within a few weeks after birth. It is often called PUPPP for short. relief and skin care can help, and your provider can tell you what is safe to use. Tell your provider if the rash spreads quickly, blisters, or comes with fever.
The deeper version
Polymorphic eruption of pregnancy (PUPPP) is a specific dermatosis of pregnancy with pruritic urticarial papules and plaques, typically in striae distensae, sparing the periumbilical area, and usually presenting in the third trimester or late gestation. Ambros-Rudolph et al. (2006) reclassified it alongside and , and noted its distinct clinical and immunologic profile. Diagnosis is clinical, with biopsy used to exclude other conditions. It is generally benign for the fetus and resolves postpartum, although it is important to exclude cholestasis, which requires different management. Topical corticosteroids are commonly used for symptom relief.
Where it comes up
- Skin in pregnancy: stretch marks, linea nigra, melasma, itchingPregnancy: Your Body
- Itching that won't stop: cholestasisPregnancy: Your Body
- Your changing body and how you feel about itPregnancy: Mind and Life
- Headaches and migrainesPregnancy: Your Body
- What to eat in pregnancy: the short versionPregnancy: Eating
What mothers here say about polymorphic eruption of pregnancy
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Sources
- Ambros-Rudolph CM et al. — The specific dermatoses of pregnancy revisited and reclassified: results of a retrospective two-center study on 505 pregnant patients. Journal of the American Academy of Dermatology, 2006