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:
The conversion factor from milligrams to grams is 0.001. To find out how many grams in milligrams, multiply by the conversion factor or use the converter below. 1 Milligram = 0.001 Gram. Milligram is a small unit of mass in metric system and used commonly in medicine, pharmacy etc. The abbreviation is mg. Gram is a metric system unit of mass.