Etonogestrel
"Positive: I had this for about 2 years now. I'm not pregnant! My periods are lighter. I don't have to remember to take pills everyday, sometimes I forget it's in my arm. Did not hurt when it was first inserted and it took like 5 mins. Left a minor bruise but went away in no time.

Negative: Although my periods are lighter they are also longer and I hate it. Last about 2 weeks, sometimes over. Hair got thinner since I've had this and it is beyond difficult to lose weight. I'm was one of the slum girls who could eat whatever and never gain weight. I've gained 24 pounds since I've been on this and I have been dieting and exercising for the past 3 months trying to be summer ready. So far I only lost 5 pounds "