Lady-Comp, Baby-Comp and pearly are manufactured in Germany by Valley-Electronics. Each one of these reliable medical devices is still assembled by hand and tested before leaving the manufacture. Since over 25 years women in over 30 countries throughout the world enjoy this hormone free method to monitor their fertility.

The fertility monitors from VE Valley Electronics prove their reliability in indicating the fertile and infertile days correctly in many independent clinical studies e.g.:

Lady-Comp is a FDA approved fertility monitor

Baby-Comp, Lady-Comp and pearly are medical devices IIb in Germany and thus Europe since 2008.

Lady-Comp, Baby-Comp and pearly have been tested by the Gynaecological society of Poland and are recommended as a contraception method which is just as save as hormonal methods but without their side effects.