Natural methods of contraception involve no artificial devices, medications, or hormones. Instead, they rely on tracking fertility patterns, understanding a woman’s menstrual cycle, and avoiding sex during the fertile window (when pregnancy is most likely). These methods require careful attention and commitment from both partners.
Natural methods of contraception refer to various techniques that allow couples to avoid pregnancy without the use of hormones, devices, or medications. Instead, these methods rely on a woman’s fertility cycle, and partners track and use this information to determine when pregnancy is most likely to occur, so they can either avoid or plan for intercourse during those times.
Natural methods of contraception work by tracking specific signs of fertility in a woman's cycle, such as:
Basal Body Temperature (BBT): A woman’s temperature rises slightly after ovulation, signaling that she is no longer fertile. Tracking BBT can help determine the days when she’s most likely to conceive.
Cervical Mucus: The consistency of cervical mucus changes throughout the cycle. During ovulation, mucus becomes clear, slippery, and stretchy, indicating the most fertile days.
Calendar Method: This method involves tracking the menstrual cycle for several months to estimate the fertile window. The fertile period is typically around the middle of the cycle.
Sympto-Thermal Method: A combination of monitoring BBT, cervical mucus, and other signs like changes in the cervix position. This method is the most reliable of the natural methods when used correctly.
The effectiveness of natural methods depends largely on proper use and commitment. Here’s a breakdown of the general effectiveness rates:
Calendar method: Effectiveness is about 75% with typical use.
Cervical mucus method: Effectiveness can range from 76% to 88% depending on accuracy.
Sympto-thermal method: When used perfectly, it can be as effective as 99%.
In general, these methods are less effective than barrier methods or hormonal contraceptives because they require very precise tracking and a high level of commitment. Using these methods incorrectly, even once, can result in pregnancy.
Natural methods are ideal for couples who:
Prefer to avoid synthetic or hormonal methods of contraception.
Are committed to tracking fertility signs daily.
Do not mind abstaining from sex or using barrier methods during the fertile window.
Before choosing a natural method, consider these factors:
Fertility awareness: Are you willing to commit to tracking your fertility signs regularly?
Cycle regularity: Some natural methods are more effective if the woman has regular menstrual cycles. If cycles are irregular, the calendar method might not be as reliable.
Health conditions: Some health conditions can affect the reliability of natural methods, so it’s important to discuss with a healthcare provider.
Here are the basic steps for each of the natural methods:
Track the length of your menstrual cycle for several months to identify patterns.
Subtract 18 days from the length of your shortest cycle and 11 days from your longest cycle to estimate the fertile window.
Avoid intercourse during this fertile period.
Observe the changes in your cervical mucus throughout your cycle.
Mark the first day of fertile mucus (clear, slippery, and stretchy).
Avoid intercourse during the fertile window (from the first day of fertile mucus until about 3 days after ovulation).
Track basal body temperature every morning before getting out of bed.
Monitor cervical mucus and other physical signs.
Avoid intercourse on the fertile days based on temperature shifts and mucus changes.
Hormone-free: Natural methods involve no artificial hormones or devices.
No ongoing costs: Once you learn the methods, there are no recurring costs, unlike prescriptions or devices.
Empowering: Many couples find that fertility awareness helps them better understand and appreciate the menstrual cycle.
No side effects: Unlike hormonal methods, there are no risks of side effects like weight gain, mood changes, or headaches.
Less reliable: These methods are less effective than other forms of contraception (e.g., condoms or birth control pills), especially if not used perfectly.
Requires commitment: These methods require daily tracking of fertility signs and active involvement from both partners.
Limited protection against STIs: Natural methods do not provide protection against sexually transmitted infections (STIs), so using barrier methods, like condoms, is important if STI protection is needed.
Irregular cycles: If a woman’s menstrual cycle is irregular, these methods can be harder to track and less effective.
Abstinence or alternative methods: During fertile periods, couples may need to abstain from sex or use barrier methods like condoms.
Natural methods are best for couples who:
Want a hormone-free, non-invasive option.
Are comfortable with tracking and understanding fertility signs.
Have regular menstrual cycles (though these methods can also work with irregular cycles if properly managed).
Do not mind abstaining or using barrier methods during the fertile period.
Commitment: These methods require a high level of commitment and discipline. If you are unsure about being consistent with tracking, you may want to consider another form of contraception.
Health conditions: Conditions like polycystic ovary syndrome (PCOS) or irregular periods can make fertility tracking more difficult.
Combination with other methods: Some couples use natural methods in combination with barrier methods (like condoms) during the fertile period to increase effectiveness.
Natural contraception methods are usually taught through:
Fertility awareness classes: There are many resources and organizations that offer classes and guidance on how to effectively use natural methods.
Books and online resources: Many websites, apps, and books offer guidance on how to track fertility signs and use these methods.
Healthcare providers: A healthcare provider, particularly a fertility expert or gynecologist, can provide personalized guidance on natural methods.
Natural methods generally have no cost other than the time spent learning and tracking your fertility signs. Apps and journals for tracking fertility signs are often free or low-cost. There are also some costs for fertility awareness classes, but these are generally one-time expenses.
Myth: Natural methods are 100% effective.
Fact: Natural methods are effective when used perfectly, but they are generally less reliable than other forms of contraception, especially with typical use.
Myth: You can’t get pregnant if you’re breastfeeding or after a certain age.
Fact: While breastfeeding and age may affect fertility, it’s still possible to get pregnant during this time if using natural methods.
Track your cycle carefully: Make sure to track all signs of fertility accurately and consistently.
Use an app: Many fertility tracking apps can help simplify the process of tracking basal body temperature and cervical mucus.
Be patient: It can take time to learn how to effectively use natural methods, so don’t be discouraged if you don’t get it right immediately.
If natural methods aren’t suitable or fail, consider other methods like:
Condoms: Provide protection from both pregnancy and STIs.
IUDs: Long-acting and reversible contraception.
Hormonal birth control: Pills, patches, injections, and implants.
Natural methods require a high level of communication and cooperation between partners. Some couples find them empowering, as they help both partners become more aware of fertility and reproductive health. However, if either partner is not fully committed to the method, it can cause tension or frustration.