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
By: giraffesanctuary. The worldâs tallest animal speciesâthe giraffeâmay actually be several species, and some of them are highly threatened with extinction, according to new genetic studies supported by the Wildlife Conservation Society.