Closed every other Monday. Lancaster Womens Center provides complete OB/GYN care for patients at every stage of life. Our board certified obstetrician and gynecologist, Dr. Douglas L. Tiedt, will take the time to address any concerns you have about your female health from adolescence to your senior years.. Normal and High Risk Obstetrics,Infertility,Menopause,Gynecological and Bladder Surgery