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The 4-vessel Sampling Approach to Integrative Studies of Human Placental Physiology In Vivo

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Published on: August 2, 2017

Natural family planning.

Brian A Smoley¹, Christa M Robinson

¹1st Marine Division, Division Surgeon’s Office, Camp Pendleton, CA 92055, USA. brian.smoley@med.navy.mil

American Family Physician

|November 20, 2012

Summary

Natural family planning (NFP) offers couples a way to avoid pregnancy by tracking fertility. High commitment is key, with perfect use being 95% effective, while typical use is 76% effective.

Area of Science:

Reproductive Health
Family Planning
Gynecology

Background:

Natural family planning (NFP) methods are an alternative to hormonal or barrier contraceptives.
These methods offer advantages such as no medical side effects and increased reproductive awareness.

Purpose of the Study:

To review the effectiveness and learning methods of modern natural family planning.

Main Methods:

Review of available clinical trials on natural family planning effectiveness.
Analysis of reported effectiveness rates for perfect and typical use.

Main Results:

Perfect use of NFP methods is 95% effective in pregnancy prevention.
Typical use effectiveness is 46%, highlighting the importance of user commitment.

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Evidence is based on lower-quality trials, often without control groups.

Conclusions:

Natural family planning requires significant motivation and commitment for successful pregnancy prevention.
Couples can learn NFP through various channels, including office visits, online resources, and certified instructors.