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 is a rare disease caused by an autoimmune response to endogenous progesterone in women during their reproductive years [1]. Skin lesions typically occur due to increases in progesterone during the luteal phase of the menstrual cycle [2].
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.