movements along a demand curve are related to a change in price resulting in a change in quantity shifts is demand d1 to d2 are specific to changes in income preferences availability of substitutes and other factors
Signs and symptoms of an early miscarriage (or chemical pregnancy) would generally be spotting or vaginal bleeding similar to a menstrual period, and possibly some abdominal cramping. The bleeding might have more clots than a menstrual period; the clots would look like tiny lumps in the vaginal discharge.
Definite Signs of a Miscarriage. You are having a miscarriage if you have already had a positive pregnancy test, then get these symptoms: 1  Heavy bleeding that soaks a pad in a few hours or less. 2  Strong cramps that make you double over or breathe in a huffy way.eavy bleeding that soaks a pad in an hour is a sign that a miscarriage may be beginning. See the sections on âDefinite Signsâ for more information on what to do. Keep in mind that while bleeding is always scary, 70% of all pregnancies have bleeding at some point.