Natural Fertility Awareness
from Puberty to Menopause

0800 NZ FERTILITY (0800­ 693 378)

Effectiveness at preventing pregnancy

The Billings Ovulation Method™ has been subjected to more scientific research than any other method of regulating fertility. It has been independently trialled by the World Health Organisation and other reputable bodies and found to be as successful for avoiding pregnancy as any method of family planning available today. 

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