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
Sumatran tigers are the smallest surviving tiger subspecies. The greatest threats to this critically endangered animal, are poaching, deforestation and human-tiger conflict. Learn more about what WWF is doing to protect its future, and how you can help.