Impetigo Herpetiformis (IH). or Generalised Pustular Psoriasis (GPP) of pregnancy. is a rare gestational dermatosis that lacks the usual triggers for pustular psoriasis and is often associated with adverse maternal and foetal outcomes. The onset typically occurs in the third trimester and hormonal fluctuations during pregnancy might play a role in the pathogenesis. https://www.soiebiologique.com/