There are many causes of constipation, for example, medications; poor bowel habits; low fiber diets; possibly abuse of laxatives; hormonal disorders; diseases primarily of other parts of the body that also affect the colon; and high levels of estrogen and progesterone during pregnancy.
mg: Abbreviation for milligram, a unit of measurement of mass in the metric system equal to a thousandth of a gram. A gram is equal to the mass of one milliliter, one thousandth of a liter, of water at 4 degrees C. MG (in capital letters) is the abbreviation for the disease myasthenia gravis. Search MedTerms:
Monoclonal gammopathy of undetermined significance (MGUS) is a premalignant plasma cell dyscrasia that is defined as a serum M protein <30 g/L, clonal plasma cells <10% in the bone marrow, and the absence of end-organ damage that can be attributed to a plasma cell proliferative disorder (see table) [1].