birth control
"I was on LoLo for almost 3 months to help with my endometriosis and monthly cramping. 
It caused breast enlargement/tenderness, anxiety, mood swings, and spotting for 3-5 days every month with slight cramping in the middle of the pack. 
Going on my 3rd month, I ended up having heavier bleeding and severe cramping that could not be tamed by NSAIDS. Convinced that these were just not the BC pills for me, I quit taking the pill after 3 days of bleeding, and then bled for an additional 5 days....9 days later I started bleeding again and didn't stop for 7 days. I am convinced that these pills just didn't have enough estrogen for my body type."