Welcome to Healthcare Magic
Due to heavy ovarian cyst
probably there is associated uterus
being pushed backwards. This can cause urinary infection. Drink plenty of water. This may be reason for he lower pain abdomen. If you have any menstrual disturbance then there may be pathology like endometriosis
inside the uterus which can also cause pain and bleeding. Get a thorough checkup by your Doctor. Also get a PAP smear
. If cyst is not causing any problems it need not be removed urgently.