1 The Depo-ProveraÂ® shot is very effective in preventing pregnancy. 2  It is important to get your shot every 13 weeks (3 months).  Periods can be heavier initially, and then lighter, or absent while on Depo-ProveraÂ®.
there are three animals close to being extinct wich are the polar bears, tigers and dolphins but dolphins are probably the closest one to becoming extinct. hope we ansered you â¦ r question. Jake Wayne
Credit: A close relative to the chimpanzee that is thought to be the closest human relative may be on the verge of extinction, scientists say. Bonobos, or pygmy chimpanzees, have been hunted so extensively that their survival is at risk, warn officials at the World Wildlife Fund.