The sociological, medical, and historical aspects of birth control in the twentieth century have been compiled in this unique, easy-to-use, and comprehensive resource. Objectively written and international in scope, this encyclopedia covers a variety of topics: biology and anatomy, birth control methods and devices, influential people and organizations, issues and debates, religious perspectives, legal issues, perspectives from other countries. The Encyclopedia is an excellent source for students and other researchers, educators, health care professionals, and perennially high-interest topic. For students, expecially, the book will be invaluable for reports and term papers, speeches, and debates. The Encyclopedia contains more than 200 entries, a bibliography, and more than 50 photographs and charts. Entries end with a list of sources for further reading. Entries include