WOOMB International

Science of Fertility

Efficacy of the Billings Ovulation Method® for Achieving Pregnancy

This study, conducted by Research Team of Ovulation Method Research and Reference Centre of Australia Ltd. included all couples aiming to achieve a pregnancy who enrolled at any one of 17 Australian Billings Ovulation Method® clinics within the required time frame – 1/1/1999– 31/12/2003. All couples were included regardless of age, cycle length, or pre-diagnosed sub-fertile indicators of either partner.