Encyclopedia > Pearl Index

Article Content

Pearl Index

The Pearl Index is the value used in the medical sciences to rate the effectiveness of a birth control method. It refers to the number of unwanted pregnancies in 100 couples using any given method for the duration of one year.

All Wikipedia text is available under the terms of the GNU Free Documentation License

Search Encyclopedia

Search over one million articles, find something about almost anything!

Featured Article

List of intelligence agencies

... de Inteligenzia[?] (CNI) Australia Australian Secret Intelligence Organization (ASIO) Australian Secret Intelligence Service (ASIS) Defence Signals Directorate ...