birth control
"I used Ortho Tri-Cyclen Lo for 4 years with NO side effects or problems whatsoever.  I loved this pill.  In my 5th year, however, I had MONO (my doctors think, it was never actually diagnosed) which made my liver function decrease and after months of nausea, fatigue, abdominal pain, CT scans, endoscopies, etc. found that stopping the pill made the symptoms go away.  My doctor's diagnosis is that for some reason when I had mono it affected my body enough that I couldn't tolerate oral contraception anymore. I'm really upset as I loved this pill and haven't had any luck with other contraceptive methods.  "