A28-year-old nulligravid woman has had increasingly severe dysmenorrhea over the past 2 years and dyspareunia and pain with defecation for 6 months. she has been unable to conceive for 2 years pelvic examination shows a fixed, tender, retroverted uterus, nodularity of the uterosacral ligaments, and tender adnexa bilaterally; there is a 5-cm, tender, cystic, right adnexal mass, a pregnancy test is negative. select the most likely diagnosis.

Endometriosis.

Explanation:

Endometriosis may be defined as the medical condition in which the lining of the uterus outgrows over the uterus. The condition is marked by the pain ful period, itching.

The endometriosis shows dysmenorrhoea and the defecation  shows pain and irritation. The woman shows all the symptoms that are related to the medical condition of endometriosis.

Thus, the answer is endometriosis.

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