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.
Miscarriage. Miscarriage is the loss of a pregnancy in the first 20 weeks. Vaginal spotting or bleeding is generally the first symptom, followed by abdominal pain a few hours to a few days later. The bleeding may be light or heavy.