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 is a large fertile alluvial region of India stretching from the Indus River system in Pakistan to the Punjab Plain (in both Pakistan and Haryana) and the Haryana Plain to the delta of the Ganga in Bangladesh where it is called Padma.he Indo Gangetic plain is a large fertile alluvial region of India stretching from the Indus River system in Pakistan to the Punjab Plain (in both Pakistan and Haryana) and the Haryana Plain to the delta of the Ganga in Bangladesh where it is called Padma.