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

Fehring RJ et al., 2012

Fehring RJ, Schneider M, Raviele K, Rodriguez D, Pruszynski J

Contraception, 88(1), 24-30, 2013

Source DOI PubMed

Abstract

Background

The aim was to compare the efficacy and acceptability of two Internet-supported fertility-awareness-based methods of family planning.

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=164). 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 were 40.6% for the monitor group and 36.6% for the mucus group.

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 dropout rate.

Topics

RRM Methods > General FABM > ComparisonRRM Methods > General FABM > EffectivenessBody Literacy > Charting Instruction > Digital ToolsContraception/Comparison > Effectiveness > Typical Use
fertility awareness method comparison, electronic fertility monitor effectiveness, cervical mucus monitoring pregnancy rates, clearblue fertility monitor study, internet supported family planning, FABM randomized trial, mucus method versus monitor, hormonal fertility monitor effectiveness, natural family planning comparison study, online fertility awareness teaching, fertility monitor acceptability, cervical mucus charting effectiveness

Cite this article

Fehring, R. J., Schneider, M., Raviele, K., Rodriguez, D., & Pruszynski, J. (2012). Randomized comparison of two Internet-supported fertility-awareness-based methods of family planning. *Contraception*, *88*(1), 24-30. https://doi.org/10.1016/j.contraception.2012.10.010

Keywords

Adult, Algorithms, Cervix Mucus, Estrone, Family Characteristics, Female, Humans, Intention to Treat Analysis, Internet, Kaplan-Meier Estimate, Male, Middle Aged, Natural Family Planning Methods, Patient Acceptance of Health Care, Patient Dropouts, Patient Education As Topic, Pregnancy, Pregnancy Rate, Self Care, Young Adult

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