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.
There are several common signs of miscarriage. 1  Bleeding becomes heavy. 2  Pain is like bad period pain or birth contractions. 3  Faintness and nausea. 4  You pass pieces of placenta which look like blood clots or pieces of raw liver.5  You may see the fetus. 6  If you are more than 4 months pregnant, the fetus may be alive.here are several common signs of miscarriage. 1  Bleeding becomes heavy. 2  Pain is like bad period pain or birth contractions. 3  Faintness and nausea. 4  You pass pieces of placenta which look like blood clots or pieces of raw liver.