Hi M.,
I started having long, irregular periods about 6 mos after the birth of my son. I thought it was just the way it was after having a baby! I wasn't having pain, until one night I thought I was having kidney stones. A visit to the doctor, complete with a CAT scan and MRI, showed a huge, highly suspicious-looking mass on one of my ovaries. The doctor and oncologist suspected ovarian cancer and scheduled surgery. I was literally scared out of my mind. As it turns out, the mass turned out (thankfully) to be a benign, hemorrhagic cyst that resolved on its own over time- no surgery needed. As the cyst resolved, so did the irregularity of my cycle. I am not trying to scare you, but the lesson I learned from this is DO NOT put off seeing the doctor if you are having problems and are concerned! It is almost always nothing to be worried about, but let your doctor put your mind at ease. With small children to take care of, you HAVE to take your health seriously. Best of luck to you!