Dr. Mary McLennan specializes in the prevention, diagnosis, and management (conservative and surgical) of urinary and fecal incontinence and pelvic floor disorders. Her clinical areas of interest include pelvic reconstructive surgery, particularly in geriatric patients, and developing medical service lines specific to women's health care needs. In her practice, Dr. McLennan provides urodynamic testing, office injections for incontinence, cystoscopy and a full range of surgical repairs for both incontinence and prolapse with an emphasis on vaginal surgery.

Research interests include techniques for tension-free slings for incontinence, sacral nerve stimulation and resident education.

Dr. McLennan is a professor and Chairman of the Department of Obstetrics, Gynecology, and Women's Health, Division of Female Pelvic Medicine and Reconstructive Surgery, at Saint Louis University School of Medicine.

She is a member of the American Urogynecologic Society and a board examiner for the American Board of Obstetrics and Gynecology and FPMRS subspecialty boards.