Aggregate Demand Curve. The vertical axis for an aggregate demand curve measures price level, which differs from price in that it represents the average price of goods or services in the economy as a whole. This number factors in items such as changes in the number of consumers, changes in tastes, and changes in income.
The Depo-Provera shot is a highly effective birth control method. Women who use it correctly have a risk of pregnancy thatâs less than 1 percent. However, this percentage increases when a woman doesnât receive the shot at the recommended times.
Does Depo-Provera Cause Mood Changes? Depo-Provera (DMPA), also known as the birth control shot, is a highly effective form of contraception that lasts for 3 months, and thus requires only 4 injections per year. DMPA contains a long-lasting form of depot medroxyprogesterone acetate that works as a contraceptive agent by preventing the ovaries from releasing an egg each month.