I only recently took one shot of depo in January this year. Last month in April I had my period for a week and a half, with bad cramping but slight bleeding. Not it is may, and my period only came for one day. Is this normal? How long will it take for me to have a normal period? Will I still be abler to get side effects of the depo shot like hair loss, fatigue and bone loss even though I only took it one time?