The Billings Ovulation Method is a natural fertility awareness approach that helps couples understand female fertility by tracking changes in vulvar sensation and cervical mucus. This method is described as a “cervical mucus-only” method.
The Billings Ovulation Method was founded by Dr. John Billings and his wife, Dr. Evelyn Billings. Their journey toward discovering this method began in the early 1950s when John, a neurologist, was approached by the Catholic Church to explore natural family planning methods that could align with the Church’s teachings. Working closely with Evelyn, they conducted extensive studies involving thousands of women worldwide and confirmed that changes in cervical mucus could be a reliable way to predict the fertility window.
Biomarkers Tracked
The primary biomarkers used in the Billings Ovulation Method are:
- Vulvar Sensation
- The appearance of cervical mucus.
Other optional biomarkers a woman may notice include a swollen vulva, increased sensitivity, or enlargement of lymph nodes in the genital area.
How the Billings Method Works
As a woman goes through her day, she feels different sensations in her vulva and observes cervical mucus when it appears, whether on toilet paper or underwear.
When observing any sensation and cervical mucus, it’s important to record it in simple terms.
As ovulation approaches, mucus typically becomes clearer and more like egg white, with a slippery sensation signaling peak fertility.
It is important to note that when using the Billings method, we do not touch the mucus with our fingers because the vulva is more sensitive. Over time, we learn to tune into these sensations.
By using the Billings method, we begin to recognize patterns of fertility and infertility through sensations and the appearance of cervical mucus. We learn to identify the body's transitions from the Basic Infertile Pattern (BIP) to the fertile phase, which ends with the slippery sensation known as "Peak" day, closely corresponding to ovulation. After observing Peak Day, we enter the infertile phase of the cycle. (Note: Peak Day has specific criteria that must be followed.)
Charting involves daily recording of cervical mucus observations, either on paper charts or through Billings-approved apps. The notes should include the sensation at the vulva and any visual changes in the mucus.
Observations are made multiple times throughout the day, such as when a woman uses the bathroom or when sensation or mucus is present. This ensures accurate recognition of mucus patterns and fertility changes.
Benefits of the Billings Method
Natural and Non-Invasive: No drugs, hormones, or devices are required.
High Efficacy: When used correctly, the Billings Ovulation Method has an effectiveness rate of about 99% for avoiding pregnancy.
Cost-Free: Once learned, the method incurs no ongoing costs.
Applicable at All Life Stages: Effective for women with regular or irregular cycles, as well as those who are breastfeeding, have polycystic ovary syndrome (PCOS), or are in perimenopause.
As with all fertility awareness methods, Billings encourages body literacy and fosters a deep connection with a woman’s menstrual cycle.
Disadvantages of the Billings Method
Daily Commitment: Women who use this method must be diligent in making daily observations.
Requires Partner Cooperation: Couples using the Billings method for contraception need to agree on abstaining during the fertile phase.
Abstinence: The effectiveness of avoiding pregnancy is based on abstaining from any sexual activities during the fertile phase.
No BBT Tracking: Basal Body Temperature (BBT) is a woman’s body temperature when she is fully at rest. The lack of BBT tracking in the Billings method simplifies the process but can make it more challenging to confirm ovulation, especially if someone experiences mucus throughout the cycle.Considerations and Support for the Billings Method
Although the Billings method is simple, it may take a few cycles to fully understand and confidently identify fertile signs.
Billings is taught by certified instructors, often with personalized, ongoing support.
As with any new habit, starting the Billings method may require some adjustments. However, a strong motivation and a clear "why" can make incorporating these changes easier. Having a supportive partner who shares responsibilities can also make the process smoother.
Since there are no external tools required to practice this method, you may find that it is simpler to integrate into your daily life.
Who is the Billings Method Best For:
The Billings Ovulation Method is well-suited for women who want a natural, hormone-free way to manage their fertility. It is simple and does not require any additional tools such as monitors, ovulation predictor kits, or BBT tracking.
The Billings Method is highly compatible with:
Breastfeeding: Cervical mucus is one of the earliest fertility signs to return postpartum, making Billings an ideal method for women who are breastfeeding.
Perimenopause: Billings is adaptable to irregular cycles, including those approaching menopause.
Irregular Cycles: The Billings method does not rely on cycle regularity - it focuses on real-time observations.
Where to Learn More:
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Official Website: https://billings.life/en/
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Official Book: The Billings Method: Controlling Fertility without Drugs or Devices by Evelyn Bililngs
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Community: Online communities and forums dedicated to the Billings, such as the Facebook group "NFP Support: Billings Ovulation Method", offer shared experiences and support.
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Official Facebook Page: https://www.facebook.com/groups/296933920507120
Billings Ovulation Method in a Nutshell
- Biomarkers Tracked: Vulvar sensation and cervical mucus.
- Effectiveness: Very high. Estimated success rates are between 97-99% for avoiding pregnancy when used correctly.
- Learning Curve: Moderate; requires dedication to learning and daily observations.
- Ideal For: Women seeking a natural, hormone-free fertility management method without the need for external tools.
- Where to Learn More: Check the official Billings Ovulation Method website for certified instructors, or connect with me for personalized guidance and support.
Please note: I use the terms 'women' and 'couples' in this article to align with the Billings method's original framework. However, it is suitable for anyone who experiences menstrual cycles.
This method invites you to truly listen to your body’s natural signals, embrace its rhythms, and take charge of your fertility with confidence and clarity.
Meet Someone Who Knows The Method: Rona
Rona Mirimi is a FAM educator. After being on the pill for many years, she discovered she had a blood condition, making hormonal birth control a dangerous choice for her. Following four miscarriages and two emergency C-sections, she found herself out of options. When doctors suggested tying her tubes, she knew there had to be a better alternative.
This is when she discovered fertility awareness. She enrolled in a two-year program at The Well, and after receiving her certification, she continued exploring other methods, studying NFPTA, Billings, and FEMM, though not for certification. Rona offers online group classes and private teachings, supporting people in their unique fertility journeys—whether they are looking to avoid pregnancy or achieve it naturally. She provides personalized guidance through every stage of the fertile life.
Book a free consultation with Rona: https://www.ronamirimi.com/ OR follow her on Instagram: @rona.fertilityaware