in up to 10% of all endometrial biopsies performed for irregular bleeding. The most common organisms are Chlamydia trachomatis (chlamydia), Neisseria gonorrhoeae (gonorrhea), Streptococcus agalactiae (Group B Streptococcus), Mycoplasma hominis, tuberculosis, and various viruses. Most of these agents are capable of causing chronic pelvic inflammatory disease (PID). Patients with chronic endometritis may have an underlying cancer of the cervix or endometrium (although infectious cause is more common). Antibiotic therapy is curative in most cases (depending on underlying cause), with fairly rapid alleviation of symptoms after only 2 to 3 days. Women with chronic endometritis are also at a higher risk of pregnancy loss and treatment for this improves future pregnancy outcomes. Chronic granulomatous endometritis is usually caused by tuberculous. The granulomas are small, sparse, and without caseation. The granulomas take up to 2 weeks to develop and since the endometrium is shed every 4 weeks, the granulomas are poorly formed. In human medicine, pyometra (also a veterinary condition of significance) is regarded as a form of chronic endometritis seen in elderly women causing stenosis of the cervical os and accumulation of discharges and infection. Symptom in chronic endometritis is blood stained discharge but in pyometra the patient complaints of lower abdominal pain. Pyometra Pyometra describes an accumulation of pus in the uterine cavity. In order for pyometra to develop, there must be both an infection and blockage of cervix. Signs and symptoms include lower abdominal pain (suprapubic), rigors, fever, and the discharge of pus on introduction of a sound into the uterus. Pyometra is treated with antibiotics, according to culture and sensitivity. See also Maternal death Puerperal fever References External links Inflammations Inflammatory diseases of female pelvic organs Theriogenology Wikipedia medicine articles ready to translate