With the increasing incidence of cervical adenocarcinoma there is a growing interest in the detection and treatment of glandular precursors. A major obstacle to this research is that endocervical glandular dysplasia (EGD) is rare and infrequently reported. From a study of 30 patients it appears that EGD often occurs with concomitant squamous dysplasia and also benign and preinvasive glandular changes in the cervix and endometrium. If EGD is detected on cervical biopsy hysteroscopy, dilatation and curettage and cone biopsy should be performed.