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.
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Billings Ovulation Method
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Couple to Couple League
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Creighton Model FertilityCare
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Marquette Method
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|
Theoretical Effectiveness Rate⁰
|
99.5%
|
>99%
|
99.5%
|
99%
|
|
Actual Use Effectiveness Rate⁰
|
93%
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88-93%
|
96.8%
|
90-94%
|
|
Postpartum Effectiveness Rate⁰
|
88%
|
No Data
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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
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No†
|
Yes
|
No≠
|
|
Can be used to treat Infertility
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No**
|
No
|
Yes
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No
|
|
Can be used to treat gynecological conditions
|
No
|
No
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Yes
|
No
|
|
Can be used in Perimenopause
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Yes
|
Yes
|
Yes
|
Yes
|
|
Can be used with Breastfeeding
|
Yes
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Yes‡
|
Yes
|
Yes
|
|
Can be used by women who have irregular waking times
|
Yes
|
No†
|
Yes
|
Yes
|
|
Can be learned Online
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Self-paced or with Instructor
|
Self-paced or with Instructors
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With Instructor
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With Instructor
|
|
Average length of time before system mastery
|
6 Hoursʬ
|
6 Hoursʬ
|
7 Hoursʬ
|
6 Hoursʬ
|
|
Charting App available
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Yes
|
Yes
|
July 2019
|
Yes
|
|
Used by NaProTECHNOLOGY
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No
|
No
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Yes
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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