title: Introduction to Volume 92.
authors.affiliation: Columbia Univeristy Physicians & Surgeons Dept. of Obstetrics and Gynecology, 630 West 168th Street, New York, NY 10032, United States. Electronic address: westhoff@gmail.com.
authors.forename: Dr Carolyn L
authors.initials: DC
authors.lastname: Westhoff
mesh_terms: D003267:Contraception / Q000379:methods*; D005193:Family Planning Services; D005260:Female; D006801:Humans; D007434:Intrauterine Devices