Update on Billings Ovulation Method
Study on the Billings Ovulation Method™ and the Achievement of Pregnancy
1/1/1999 – 31/12/2003
Study conducted by Research Team of Ovulation Method Research and
Reference Centre of Australia Ltd
Summary of Results
Study involved all couples who expressed a desire to achieve a pregnancy and
who attended 17 Australian Billings Ovulation Method™ clinics within the required
time frame.
Total Participants 449
Outcome known 358
Outcome unknown 91
Total pregnancies 278 of 358
Pregnancy Rate 78%
Known Live Birth rate 61%
Possible Live Birth rate*
*14 still pregnant at end of study;
outcome of pregnancy unknown for 62 couples.
88%
Average months trying to achieve for all couples in study
before coming to Billings Ovulation Method™ clinic 15 months
Average months from initial instruction in Billings Ovulation Method™ to conception 4.7 months
Couples who were childless 60%
Prior knowledge of signs of fertility 18%
207 women in the study were classified as sub-fertile – trying to achieve a pregnancy for more than 12 months
(e.g. 20 couples had been unsuccessful with IVF/AI – 7 achieved pregnancy with Billings Ovulation Method™) Outcome known for 172:
Known pregnancy rate for this sub-fertile group 111/172 65%
65 subjects over 38 yrs old - known pregnancy rate 32/48 66%
93% stated they were satisfied and would recommend Billings Ovulation Method™ to others.
95% stated that the Billings Ovulation Method™ gave an understanding of fertility and infertility
From: Marian Corkill
1/1/1999 – 31/12/2003
Study conducted by Research Team of Ovulation Method Research and
Reference Centre of Australia Ltd
Summary of Results
Study involved all couples who expressed a desire to achieve a pregnancy and
who attended 17 Australian Billings Ovulation Method™ clinics within the required
time frame.
Total Participants 449
Outcome known 358
Outcome unknown 91
Total pregnancies 278 of 358
Pregnancy Rate 78%
Known Live Birth rate 61%
Possible Live Birth rate*
*14 still pregnant at end of study;
outcome of pregnancy unknown for 62 couples.
88%
Average months trying to achieve for all couples in study
before coming to Billings Ovulation Method™ clinic 15 months
Average months from initial instruction in Billings Ovulation Method™ to conception 4.7 months
Couples who were childless 60%
Prior knowledge of signs of fertility 18%
207 women in the study were classified as sub-fertile – trying to achieve a pregnancy for more than 12 months
(e.g. 20 couples had been unsuccessful with IVF/AI – 7 achieved pregnancy with Billings Ovulation Method™) Outcome known for 172:
Known pregnancy rate for this sub-fertile group 111/172 65%
65 subjects over 38 yrs old - known pregnancy rate 32/48 66%
93% stated they were satisfied and would recommend Billings Ovulation Method™ to others.
95% stated that the Billings Ovulation Method™ gave an understanding of fertility and infertility
From: Marian Corkill