Chronic Endometritis and Benefits of Antibiotics in Women With Recurrent Miscarriage

Inclusion Criteria: * Women with a history of 2 or more consecutive miscarriages before 24 weeks of gestation * Women aged 20-45 years old Exclusion Criteria: * Uncorrected uterine anomalies, such as the septate or bicornuate uterus, fibroids (submucous/intramural) * Untreated hydrosalpinx * Antiphospholipid syndrome * Known clinical autoimmune disease * Undergoing immunotherapy * Abnormal thyroid function * Abnormal karyotyping of couples * Known immunodeficiency pathologies such as diabetes or HIV * Currently taking other antibiotics or other trial medications or TCM; * Currently or previously involved in other clinical trials with medication intake; * Those with active pelvic inflammatory disease or suspicion of infection etc.