Chronic endocervicitis, with or without erosion, is a very common condition. It is especially frequent among married women who have had one or more pregnancies, but may be found at times in patients with unruptured hymen. It is worthy of note that McGrath1found cervical disease in 38 per cent of the single women and 80 per cent of the married women in a series of 1,000 consecutive patients at the Cornell clinic who had a retrodisplacement of the uterus. Chronic endocervicitis is always due to the presence of bacteria even though trauma, whether chemical or mechanical, may have acted as a predisposing cause. Microscopic studies from different portions of the cervix indicate that the glands near the external os are commonly diseased, while those near the internal os may appear normal. In the more recent cases, it is probable that the glands near the internal os need not