Our Companies. The Main Street America Group was established in 1923 with the founding of National Grange Mutual Insurance Company (NGM), which was created to provide affordable insurance coverage to Grange Fraternity members in New Hampshire.
Autoimmune progesterone dermatitis: Introduction. Autoimmune progesterone dermatitis: A skin rash that appears to be a result of the body's immune reaction to progesterone. As progesterone production is linked to menstrual cycles, the rash occurs usually in the week before menstruation until a few days after menstruation starts.
Auto immune diseases are diseases of the immune system. (For specific names of auto immune diseases see the list of autoimmune diseases below). Depending on the particular disease there are various symptoms. Common autoimmune disease symptoms include a low grade fever, pain in joints and fatigue.