Depo Provera is considered a very effective method of birth control. If taken every thirteen weeks, it is estimated to be 99% effective. It does not, however, protect a woman from STDs. Studies indicate that women on Depo have a decreased risk of ovarian cancer, Pelvic Inflammatory Disease, and Endometrial Cancer.
The Orinoco is one of the longest rivers in South America at 2,140 kilometres (1,330 mi). Its drainage basin, sometimes called the Orinoquia, covers 880,000 square kilometres (340,000 sq mi), with 76.3 percent of it in Venezuela and the remainder in Colombia.
The Indo-Gangetic Plain also known as The North Indian River Plain  is a large and fertile plain encompassing most of northern and  eastern India, the most populous parts of â¦ Pakistan, parts of  southern Nepal and virtually all of Bangladesh.n Countries, States, and Cities. Gangetic Plain also known as the Great Plains of India, in South Asia between theHimalayas and other mountains and the Deccan Plateau, an area of ââabout 75 million squa â¦ re kilometers, most in India; West, also known as the Indus River plain, most in Pakistan.