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
10 Animals That May Go Extinct in the Next 10 Years. 1  Share. 2  Leatherback Turtle Dermochelys coriacea Leatherbacks are the largest of all sea turtles, measuring as long as eight feet and weighing as much as 2,000 pounds. They are also the deepest divers, plunging to depths as great as 1,200 meters as they hunt for jellyfish.