A 28-year-old woman presents with a 2-day history of a rash on her abdomen. She is 33 weeks pregnant with her first child. The patient has no other medical conditions, has had no recent illnesses, and her pregnancy has been uncomplicated thus far. The rash is very itchy and has been worsening. The patient has not yet tried any treatments for the rash. She denies any recent changes in body washes, lotions, detergents, and other body products. On examination, there are erythematous papules within the abdominal striae, with sparing of the umbilicus.
Can you diagnose the condition in Case 1?
A. Pemphigoid gestationis
B. Polymorphic eruption of pregnancy
C. Drug-related skin eruptions
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