Overview of NFP Methods

The chart below is intended to help couples find an NFP method that fits their needs. If you have questions, then please contact Jenny Ingles for more information. 

 

Billings Ovulation Method

Couple to Couple League

Creighton Model FertilityCare

Marquette Method

Theoretical Effectiveness Rate

99.5%

>99%

99.5%

99%

Actual Use Effectiveness Rate

93%

88-93%

96.8%

90-94%

Postpartum Effectiveness Rate

88%

No Data

96.8%

90%

Can be used to Avoid Pregnancy

Yes

Yes

Yes

Yes

Can be used to Achieve Pregnancy

Yes

Yes

Yes

Yes

Number of Biomarkers used

1

1-3

1

1-3

Can be used with irregular cycle lengths

Yes

Yes

Yes

Yes

Can be used with PCOS

Yes

No†

Yes

No≠

Can be used to treat Infertility

No**

No

Yes

No

Can be used to treat gynecological conditions

No

No

Yes

No

Can be used in Perimenopause

Yes

Yes

Yes

Yes

Can be used with Breastfeeding

Yes

Yes‡

Yes

Yes

Can be used by women who have irregular waking times

Yes

No†

Yes

Yes

Can be learned Online

Self-paced or with Instructor

Self-paced or with Instructors

With Instructor

With Instructor

Average length of time before system mastery

6 Hoursʬ

6 Hoursʬ

7 Hoursʬ

6 Hoursʬ

Charting App available

Yes

Yes

July 2019

Yes

Used by NaProTECHNOLOGY

No

No

Yes

No

⁰ Effectiveness Rate of Avoiding Pregnancy

† Causes inaccuracies in Basal Body Temperature which reduces the Effectiveness Rate at avoiding pregnancy to 88% 

≠ PCOS is associated with Estrogen Dominance which causes inaccuracies in Estrogen Hormone strips

** Infertility associated with PCOS can be treated using this Method; however, other causes of infertility cannot

‡ This method can be used during Breastfeeding; however, no studies regarding the effectiveness at avoiding pregnancy have been conducted

ʬ Teaching hours are broken up over the course of multiple sessions.  Some couples require more teaching hours in order to gain system mastery