That u/s showed a minimal amount of free fluid in my
pelvic region and a hemorrhagic
ovarian cyst, measuring 2.6cm. A few days ago, I started experiencing the same pain. I went to my local ER, where they performed another pelvic ultrasound. The findings were as follows: 1. There are two subendometrial cysts identified within the uterus. They have slightly increased in size since my last u/s done by this hospital in December of 2013. 2.