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.
About 15-25% of recognized pregnancies will end in a miscarriage. More than 80% of miscarriages occur within the first three months of pregnancy. Miscarriages are less likely to occur after 20 weeks gestation; these are termed late miscarriages. What Are the Symptoms of a Miscarriage? Symptoms of a miscarriage include: Bleeding which progresses from light to heavy; Severe cramps; Abdominal pain; Fever; Weakness; Back pain; If you experience the symptoms listed above, contact your obstetric health care provider right away.