Urticaria (hives) and dermographism (wealing in response to pressure, for example scratching) may be precipitated by pregnancy. Erythema multiforme due to pregnancy has been described.

FURTHER READING

• Collier P, Kelly SE, Wojnarowska F (1993). Linear IgA disease and pregnancy. Journal of the American Academy of Dermatology 30, 407-12.
• Holmes RC, Black MM, Dann J, et al. (1982). A comparative study of toxic erythema of pregnancy and herpes gestationis. British Journal of Dermatology 106, 499-510.
• Jenkins RE, Hern S, Black MM (1999). Clinical features and management of 87 patients with pemphigoid gestationis. Clinical and Experimental Dermatology 24, 255-9.
• Kelly SE, Wojnarowska F (1993). Pemphigoid gestationis. European Journal of Dermatology 4, 16-20.
• Muller S, Stanley JR (1990). Pemphigus: pemphigus vulgaris and pemphigus foliaceus. In: Wojnarowska F and Briggaman RA, eds. Management of blistering disease, pp 43-62.
• Vaughan Jones SA, Hern S, Nelson-Piercy C, Seed PT, Black MM (1999). A prospective study of 200 women with dermatoses of pregnancy correlating clinical findings with hormonal and immunopathological profiles. British Journal of Dermatology 141, 71-81.