i am 45 years of age and have been menstruating for 51 days straight. i have am a normal active woman, who is healthy in all other aspects of my life. i have had 1 pregnancy in my life, a 3 year old as a result. i have had an ultrasound of pelvis~ normal uterus but a small cist found. Blood work done~ no thyroid issues ,but high white blood count. biopsy for endometriosis, none found. what are the possibilities, i don't even know what to think. i was told to repeat ultrasound in 6 weeks.