Depot Medroxyprogesterone Acetate (DMPA), known as Depo-Provera, is a long-lasting contraceptive hormone that is 97-99.7% effective in preventing pregnancy. Depo-Provera contains synthetic progesterone and is given by injection, usually in the arm, hip, upper thigh, or abdomen.
Seed is one of the main part of a flower . So it is the future plant .The function of seeds are for the plant to reproduce.The radicle in a seed will become the plants roots.Seeds on a tree are generally inside of some fruit or blossom. When these fruits or flowers grow they can be pollinated by bees or birds or fall and have a chance to grow . Views.
Seed is dispersed from the parent plant through a mechanism  know as seed dispersal  Plants produce seeds to ensure the continuity of their kind and  to ensure that they will live in numbers.  Humans are hugely dependant on seed as a source of food: rice,  wheat, oats, maize/ corn etc.