title: Pigmentary demarcation lines associated with pregnancy.
abstract: Pigmentary demarcation lines are borders of abrupt transition between more deeply pigmented skin and that of lighter pigmentation. Two patients developed these lines on the lower extremities during pregnancy.
mesh_terms: D000328:Adult; D005260:Female; D006801:Humans; D007868:Leg Dermatoses / Q000175:diagnosis* / Q000209:etiology; D010859:Pigmentation Disorders / Q000175:diagnosis* / Q000209:etiology; D011247:Pregnancy; D011248:Pregnancy Complications / Q000175:diagnosis* / Q000209:etiology; D011262:Pregnancy Trimester, Second; D011263:Pregnancy Trimester, Third; D013848:Thigh