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. 2023 Nov 15;59(11):2008. doi: 10.3390/medicina59112008

Table 5.

Abstinence rates for the CBFM Marquette Method postpartum protocol compared to various Mira E3G (“today or yesterday”) and LH (LH > 11 plus 4 days) thresholds. The Early Return of Fertility category had only one participant with Cycle 0, so it is not represented here. Three participants did not have Cycle 0 data. One participant had an excessive number of false LH surges, so abstinence calculations are not included here.

CBFM Mira
E3G 150
LH 11
Mira
E3G 100
LH 11
Mira
E3G 150
LH 15
Mira
E3G 100
LH 15
All Cycle 0 (n = 15) 61% 23% 41% 16% 36%
Ovarian Quiescence (n = 10) 53% 20% 34% 14% 28%
Follicular Activity (n = 5) 71% 33% 58% 22% 51%

CBFM: ClearBlue Fertility Monitor; E3G: estrone-3-glucuronide; LH: luteinizing hormone.