Mirena
"First off, remember this is a long term birth control so you have to give your body time to adjust effectively. This device stays in for years! The insertion process was painful for me being I've never had kids so the dr. manually opening my cervix to insert the iud was the worst part. Following the procedure, a friend took me home because of the cramping it caused but after a couple hours I felt okay to drive. There was spotting for a month and slowed down to the point I now spot maybee 2 days a month. I've now had it for 5 months and get cramps from time to time but they arent bad ones. I think my body is still adjusting some. I would overall suggest it to those who are preventing pregnancy more than preventing periods and cramps."