description: With the help of the computerized charts included at the end of the book, every woman can easily determine her most fertile days and rise this knowledge to avoid a pregnancy. This system also holds much promise for all those couples who wish to have a child, since it includes a means of determining the most favorable time for conception and also provides information on whether it's a boy or a girl!
language: English
title: Cosmo-Biological Birth Control
titlecomplete: Cosmo-Biological Birth Control
publisher: Lotus Press (WI)