Efficacy of the Marquette Method of Natural Family Planning

Fehring, Richard J.; Schneider, Mary; Barron, Mary Lee

doi:10.1097/01.nmc.0000341254.80426.32

Cited by 34 publications

(44 citation statements)

References 16 publications

(17 reference statements)

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“…The differences in pregnancy rates between the monitor and mucus group are similar to the differences that were found in a previous cohort comparison study of the monitor plus mucus versus mucus alone as two FABM [15]. The low unintended pregnancy rate (both perfect and total) are comparable to the pregnancy rates that were determined in a large European study that used mucus plus basal body temperature as a double check for the beginning and end of the fertile phase of the menstrual cycle [24] and with a pilot cohort study of the online FABM system conducted by the authors of this study, i.e., 9 unintended pregnancies per 100 among ovulating, non-breastfeeding participants [14].…”

Section: Discussionsupporting

confidence: 72%

“…There are no studies to compare the efficacy of using the same EHFM (i.e., the CBFM) as was used in this current study to avoid pregnancy other than those conducted by the current researchers [12][13][14][15][16]. However, an earlier study reported the efficacy of a similar EHFM called the Persona fertility monitor [12,17,27].…”

Section: Discussionmentioning

confidence: 97%

“…A recommendation for future efficacy studies of FABM is to enroll only participants who are new to FABM. There is a tendency of current users of 14 established FABM to compare their previous methods and to use them instead of the study method. Future studies could use an online system to compare other established FABM such as the Standard Days Method or the Two Day Method, or even the older calendar-based formulas [31,32].…”

Section: Discussionmentioning

confidence: 99%

“…Researchers at Marquette University developed a new FABM system based on hormonal monitoring technology and conducted a number of cohort efficacy studies of the system [13][14][15].…”

Section: Introductionmentioning

confidence: 99%

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Randomized comparison of two Internet-supported fertility-awareness-based methods of family planning

et al. 2013

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Background:The aim was to compare the efficacy and acceptability of two Internet-based fertility awareness based methods of family planning (FABM).Study Design: Six hundred and sixty-seven women and their male partners were randomized into either an electronic hormonal fertility monitor (EHFM) group or a cervical mucus monitoring (CMM) group. Both groups utilized a web site with instructions, charts, and support.Acceptability was assessed online at 1, 3, and 6 months. Pregnancy rates were determined by survival analysis. Results:The EHFM participants (N=197) had a total pregnancy rate of 7 per 100 users over 12 months of use compared with 18.5 for the CMM group (N=160). The log rank survival test showed a significant difference (p < .01) in survival functions. Mean acceptability for both groups increased significantly over time (p < .0001). Continuation rates at 12 months for the monitor group were 40.6% and the mucus group 36.6%. Conclusion:In comparison with the CMM, the EHFM method of family planning was more effective. All users had an increase in acceptability over time. Results are tempered by the high drop-out rate.

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Section: Discussionsupporting

confidence: 72%

Section: Discussionmentioning

confidence: 97%

Section: Discussionmentioning

confidence: 99%

“…Researchers at Marquette University developed a new FABM system based on hormonal monitoring technology and conducted a number of cohort efficacy studies of the system [13][14][15].…”

Section: Introductionmentioning

confidence: 99%

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Randomized comparison of two Internet-supported fertility-awareness-based methods of family planning

et al. 2013

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“…The typical (or total) pregnancy rate of 8 per 100 women over 12 months is lower than previous studies of the Marquette Method in women with regular cycles (11-14 per 100 woman-years) 27,28 and lower than other NFP methods during the breastfeeding transition (11-24 per 100 womanyears). 13,15,16 However, given that this was not a randomized controlled trial, we cannot be sure whether the lower pregnancy rates are an improvement on previous studies or whether they reflect a difference in participant characteristics.…”

Section: Efficacy Of Protocol To Avoid Pregnancycontrasting

confidence: 56%

Efficacy of a New Postpartum Transition Protocol for Avoiding Pregnancy

Bouchard

Fehring

Schneider

2013

The Journal of the American Board of Family Medicine

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Introduction:The postpartum period is a challenging time for family planning, especially for women who breastfeed. Breastfeeding delays the return of menses (lactational amenorrhea), but ovulation often occurs before first menses. For this reason, a protocol was developed to assist women in identifying their return of fertility postpartum to avoid pregnancy.Methods: In this prospective, 12-month, longitudinal cohort study, 198 postpartum women aged 20 to 45 years (mean age, 30.2 years) were taught a protocol for avoiding pregnancy with either online or in-person instruction. A hand-held fertility monitor was used to identify the fertile period by testing for urinary changes in estrogen and luteinizing hormone, and the results were tracked on a web site. During lactational amenorrhea, urine testing was done in 20-day intervals. When menses returned, the monitor was reset at the onset of each new menstrual cycle. Participants were instructed to avoid intercourse during the identified fertile period. Kaplan-Meier survival analysis was used to calculate unintentional pregnancy rates through the first 12 months postpartum.Results: There were 8 unintended pregnancies per 100 women at 12 months postpartum. With correct use, there were 2 unintended pregnancies per 100 women at 12 months.

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