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.
When you become pregnant after having had a miscarriage, early pregnancy cramps can be a matter of anxiety. Is it just normal uterine stretching and growth, or is it a sign of impending miscarriage? The answer isn't always obvious, but here are some pointers to keep in mind when deciding what to do.