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:
(mg to g) and grams to milligrams. The milligram (British spelling: milligramme, abbreviation and symbol: mg) is a unit of mass in the SI system (metric system). One milligram is equal to one millionth of the kilogram (kg), which is the current SI (Metric system) base unit of mass. 1 milligram (mg) = 0.001 grams (g) = 0.000001 kilogram (kg) = 0.0000352739619 ounces (oz) = 0.00000220462262 pounds (lb). Report an error on this page.