Hi there, I'm a 34 year old woman. My periods have been very regular until recently. In August I got them as usual, then Sept - 2 days earlier, then Oct - 2 days earlier again! I haven't gotten them at all this month, and have worked out I'm about 9 days late now, which is very unusual for me. I weigh 220lbs, so could this be connected? Also, for the past month I've noticed a smell of smoke in my nostrils, even though no one in the house smokes. Have had small cysts on my ovaries (one of which burst about 8 years ago).