PLEASE, if you're considering this method of birth control, make sure you have tried EVERY SINGLE other method of birth control in the book before this. The way that Depo works is it turns off your natural supply of estrogen (which is responsible for creating the sex drive, skin elasticity, lubrication, hair and nail growth, mood stability, etc.) and replaces it with a snythetically produced chemical called progesterone. When taking the shot, you go into a kind of estrogen deficiency and one or all of these can and probably will shut off.
You WILL experience every symptom. You WILL get headaches, you WILL gain weight, you WILL feel like you're PMSing 24/7, you WILL have no period for 2 months then have it every day for 2 months... it is absoultely terrible. I had to stop having sex because of the searing pain in vag every time I tried to have sex with my boyfriend due to the lack of elasticity and lubrication down there because of my body being sucked dry of estrogen!!
If you're thinking about going on depo becasue you think you can't take the pill consistenty every day, spend your $75 that you would use to buy depo on a CELL PHONE and set an alarm to go off every day.
Please, say no to Depo.
That was lame, sorry.