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You have not mentioned your age and family status. It seems you have 3 small fibroids in the posterior wall of uterus
which may not be responsible for bleeding problem you are facing. Uterus is enlarged and endometrial thickness is more. Free fluid in POD suggest several possibilities. They have not mentioned about adnexa. Are there any cyst
present in ovaries??How frequently you get periods?? Are they associated with pain?? It is your treating doctor who can decide line of management depending upon your symptoms, examination and investigations and your choices. You can try medical treatment first before going for any kind of surgery. Take care.