Cosmo-Biological Birth Control

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!Bodo Baginski is the author of 'Cosmo-Biological Birth Control', published 1998 under ISBN 9780941524827 and ISBN 0941524825.