Professional Directory

Althea M. O’Shaughnessy, MD, FACOG

Conceptions Reproductive Associates of Colorado


271 W County Line Road







Dr. Althea O’Shaughnessy is board certified in both Obstetrics & Gynecology and Reproductive Endocrinology & Infertility. She obtained her B.S. degree from Trinity College, before achieving her M.D. from the University of Rochester School of Medicine & Dentistry. She completed her OBGYN residency at the University of Connecticut Health Center, followed by a fellowship in Reproductive Endocrinology at Downstate Medical Center in New York. She has been practicing in Reproductive Endocrinology & Infertility since 1988 at impressive facilities such as Mount Sinai Hospital, Cooper Center for IVF in New Jersey, and Sher Institute for Reproductive Medicine in New York. She was also the Medical Director of the Princeton Center for Infertility & Reproductive Medicine for 20 years. Dr. O’Shaughnessy specializes in IVF, endometriosis, laparoscopic and robotic surgery, hirsutism, and fertility preservation.Dr. O’Shaughnessy has been long-recognized by her peers and her patients for her outstanding dedication. She received the Castle Connolly Top Doctor Award in 2010, 2011, 2012, 2013, 2014, 2015, and 2017.Dr. O’Shaughnessy is a New York native who recently relocated to Colorado. She is married with 2 children. Dr. O’Shaughnessy enjoys pilates and tap dancing. She is looking forward to exploring Colorado’s beauty through skiing, road biking, and hiking!!!