Dr. Marjorie Greenfield is director of obstetrics and gynecology at The Dr. Spock Company. A practicing OB/GYN for more than 15 years, Dr. Greenfield has been named in numerous local and national "Top Doctors" guides. Dr. Greenfield lives with her husband and son in Cleveland, Ohio, where she is associate professor of Reproductive Biology at Case Western Reserve University School of Medicine and University Hospitals of Cleveland.