Does CBD Oil Affect Birth Control

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Can CBD affect birth control? Concerned it could interfere with your medication? Find out the truth on CBD Scanner today! Cannabidiol and other cannabinoids stimulate the endocannabinoid system. This system is connected to the reproductive system and creates changes in it when stimulated. CBD prevents estrogen-based contraceptives from working properly, possibly leading to an increased risk of unwanted pregnancy. Learn more.

Can CBD Affect Birth Control?

We all want to be safe. None of us wants to be at risk of feeling bad or getting sick. Many people have actually asked whether if taking birth control and CBD at the same is ok, so if anyone is feeling silly for asking, don’t!

According to Statista, there is an average of 81.3% prevalence of contraceptive use in the UK, compared to an overall European average of 69.2%. This means that the United Kingdom is one of the highest-ranking users of contraceptives in Europe, and is currently ranked number one in all of Western Europe.

Also, though there are many different types of contraception available in the UK, one of the most prevalent methods is birth control pills.

In addition to this, the UK just legalised the use of CBD products. Therefore, it is quite natural to wonder whether or not CBD will affect your birth control pills, especially since it is a relatively new subject.

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Unfortunately, there has not been enough research done on this subject to determine with certainty whether or not taking CBD alongside with birth control pills can lower their effectiveness.

However, there are few leads which some pharmacists and researchers have used as a base and theorised certain outcomes are interactions between CBD and birth control.

Birth Control and the CYP Enzyme System – Why Does This Matter?

The hormones in birth control pills are metabolised by the Cytochrome P-450 Enzyme System. In short, it is called the CYP enzyme system. It is important to know a little bit about it before establishing whether or not CBD can actually alter the way these hormones are metabolised within your body.

The CYP enzyme system is within the liver and is responsible for metabolising different types of drugs found in common medications. Amongst these drugs or substances metabolised by the enzyme the hormones found in contraceptives such as birth control pills.

Just like grapefruit, CBD can affect how the CYP enzyme system metabolises drugs, and could possibly cause a higher or lower concentration of the drug within your system than was actually anticipated.

The main point to take away from all of this is that the CYP enzyme is responsible for metabolising the hormones in birth control, and can possibly be inhibited by CBD, according to this study.

Again, there still has not been enough research done on this subject. That means no one can say with 100% certainty or medical approval that CBD will, in fact, affect contraceptives, or that people who take birth control pills will get pregnant if they take CBD.

Progestin-Only Pills vs Estrogen & Progestin (Combination) Birth Control

Certain types of Birth Control can contain different hormones, one is a progesterone-only pill (sometimes called the mini pill), and another is a combination hormone pill, meaning it combines estrogen and progesterone in one.

According to the NHS (Natural Health Services) in Canada, the type of birth control pills that you’re taking might make a difference. They state that contraceptives that contain the estrogen hormone can be at a higher risk of not working the way they should because of the interaction of CBD and the CYP enzyme system. These can include tablets, injections, the patch or rings.

Contraceptives That May Contain Estrogen Oral Contraceptives and Injections can also come in Progesterone only formats
Progesterone Only Contraceptives Injections and Oral Contraceptives can also contain a combination of Estrogen and Progesterone
Non-Hormonal Contraceptives All of these methods of Birth Control do not contain any hormones. Meaning, there is no chance of interactions with the CYP enzyme system

The majority of these concerns all stem from a study in 1983 which found that cannabinoids can compete with estradiol (the major female sex hormone) and may prevent any estrogen-based contraception from working effectively. This can lead to spotting and an increased risk of pregnancy.

While there has not been enough concrete evidence to find if CBD truly affects birth control, if this is a major concern of yours, then it may be best to talk to your doctor about contraceptives. Progesterone-only contraceptives have been recommended or even an IUD.

It is important to note that there are many other herbal remedies and even medications that interact with birth control such as St John’s Wort and even Garlic Pills. It is always essential to be careful when taking any supplements.

At the moment, there are some studies being done to determine if CBD and birth control interactions could increase the risk of certain side effects, but right now, we still don’t know exactly what could happen.

3 Simple Steps to Make Sure You’ll Be Safe When Taking CBD

  1. The first thing that you should do before taking any supplements or any new substance for that matter is to talk to your doctor or specialist. I know that sometimes researching online seems efficient, and it gives us all a sense of accomplishment. But it’s very important to talk to someone who knows about your health and has a valid, professional medical opinion.
  2. Another important step to take before buying and taking CBD is to make sure you are getting it from a reliable, reputable source. Of course, many of the CBD companies and brands you find on the high street market in the UK are definitely reputable and reliable, and will always give you high-quality CBD.
  3. The third step that you can take towards making sure that you’ll be safe when taking CBD is doing your research on the brand, and on the product. While I did mention it is very important to know where your CBD is sourced from, it can help if you find a brand that you know you can trust.
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As of today, there are so many great resources that you can use to find out what’s inside of the CBD you are taking. These usually consist of third-party lab results, and they usually show the actual CBD content, if there are any herbicides or pesticides and if there any heavy metals.

Although we don’t have enough concrete evidence about CBD’s effect on birth control, you may want to look into the CYP enzyme system and how it interacts with other substances. I have found this study to be very informative and very clear on the subject.

Otherwise, we hope you have found this blog to be informative, and if you want to learn more about CBD and its different facets, please visit our blog page!

CBD and Birth Control: Does Hemp Oil Affect Contraceptive Pills?

CBD is the dominant compound in hemp-derived products that acts on the human endocannabinoid system when ingested. This system is intimately linked with major bodily functions, and that includes the reproductive system. CBD has been shown to affect female reproductive hormones such as estrogen, and thus it might affect birth control measures taken by women.

CBD also seems to affect the reproductive system overall and thus can cause the system not to function normally, thus potentially mimicking the effects of birth control.

CBD and Birth Control: How CBD Affects the CYP450 Enzyme System

Most of the medication we take is metabolized by the liver. CBD directly affects a liver enzyme called CP450. This enzyme is responsible for metabolizing about 60% of all the medication we take. This is the same reason why certain medications ask you to avoid grapefruit when using them.

CBD is more potent than grapefruit when it comes to disrupting this enzyme and thus makes it much harder for certain medications like birth control to do their job. Since the individual metabolism rate and various other physiological processes vary so much, it is important to recognize this fact before taking CBD in any form.

One vital point to keep in mind is that this interaction of CBD with the enzyme will cause the system to create a build-up of the various chemicals that are not getting processed at their normal speed. This can potentially create a problem by exaggerating the effects of the medication instead of undermining it because the active ingredients are accumulating in the body instead of getting used up.

Always talk to your doctor before taking CBD if you are on any active medication, including birth control.

CBD and Estrogen-based Birth Control Pills

This enzyme-blocking behavior makes it difficult for estrogen-based birth control to be effective. These include oral pills, patches, and rings. Progesterone-based birth control has been seen to not be affected in the same way and is thus presented as an alternative option for those who want to continue using CBD and birth control medication at the same time. Physical barrier methods like a condom are, of course, not going to be affected in any way by CBD. IUDs also remain effective contraceptive options when taking CBD.

Progesterone has been shown through research as a viable alternative to other hormone-based birth control measures; it also doesn’t produce any adverse sexual effects. CBD does not seem to change the body’s usage of external progesterone hormones, making it a viable alternative to estrogen and synthetic estrogen-based birth control.

How CBD Affects Estrogen In The Body

CBD is known to disrupt the estrogen production system in the body. Researchers who have measured this in various cannabis haven’t conducted much research on actual healthy individuals. The same researchers claim that the full effect of CBD on the estrogen production and distribution system is poorly understood.

The general observation is that CBD can interfere with estrogen-based birth control because of its interaction with the liver enzyme that helps metabolize external estrogen. At the same time, it seems to inhibit the production of estrogen in the body because it sometimes behaves like estrogen.

This simply underscores the fact that this part of the CBD interactions is poorly understood. The consensus seems to be that cannabis has a complex effect on the reproductive system because it changes so many essential reproductive functions of the body.

CBD and Hormones

As mentioned earlier, CBD has been known to interact with various hormones in several ways, such as the estrogen found in pills and the body. Each hormone reacts differently to CBD, and the final effect is very complex. The dosage of CBD also seems to affect the impact on various hormones. Overall, there is not enough research so far to produce simple answers. Instead, we only have a few functional pieces based on observation and data analysis, such as avoiding estrogen-based contraceptive pills.

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Can CBD Be Used As Birth Control?

This seems to be a fairly common question when people discover the complex relationship between cannabinoids and the human reproductive system. The main takeaway here is that individual physiology has a significant impact on how this question is answered. So we can look at the various factors that affect these sexual and reproductive functions when CBD and other cannabinoids are taken.

Endocannabinoid System And The Reproductive System

The endocannabinoid system is present in various important female reproductive cells, and cannabinoids produced inside the body as well those ingested through something like CBD oil or extract, change the way these cells behave. This ends up affecting the way fertility-related events occur in women.

It has been found in areas of the brain responsible for controlling various aspects of the female reproductive system. So it seems to have an overall impact on fertility, reproduction, and other related hormonal functions.

How Cannabinoids Affect The Reproductive System

The effects of the various cannabinoids found in hemp include changes in how the body produces hormones and how the reproductive system works. It affects both male and female systems.

Both systems respond differently to CBD, as is to be expected in the case of causing changes to the reproductive system. It affects the main sex hormones in both instances, though, and seems to affect how the body changes based on these hormones.

THC has also been observed to specifically change the way the ovaries work in women, in this case also using the endocannabinoid system to create this change to sexual health.

It’s important to note that when these systems are changed in any way that strays from how they usually function, the changes can lead to the dysfunction of the entire system.

However, there are no direct studies investigating the effect of CBD on fertility, so doctors can’t recommend it as a means of birth control.

Related Therapeutic Possibilities

Another topic being studied now is how the endocannabinoid system interacts with certain forms of cancer. Various natural cannabinoids are being used in such studies, which involves investigating how cannabinoids work on the multiple mechanisms that control the functions of the ovary and uterus. Such research is providing new insights into how CBD affects sexual health, reproductive activity in women, other menstrual problems.

Cannabis Use And Its Impact On Pregnancy And ChildBirth

Researchers are still studying cannabis use during pregnancy. There has been some evidence to suggest that it may be connected to a slightly lower weight at the birth of the child. Otherwise, there seems to be no change in the other factors that affect human newborns.

Another study says the numbers related to the lower weight observed in mothers who used cannabis during pregnancy were too small to be considered. So they concluded that there was no connection between the two. They also said that there was no connection between cannabis use during pregnancy and health complications or deaths in newborns.

Impact of Cannabinoids On Male Sexual Health

There’s only a small number of studies that have analyzed the impact of cannabinoids on male sexual health. They mostly seem to contradict each other’s findings, thus not creating any consensus in the matter. What can be said confidently is that there appears to be some effect that cannabinoids can have on male sexual health, such as changes in semen production and increase testosterone levels.

Key Takeaways on CBD and Birth Control

The specific nature of CBDs interaction with birth control is a complex one. The only clear consensus seems to be that there is a strong possibility that estrogen-based contraceptive measures — pills, patches, rings, injections, etc. — will become ineffective when used with CBD products. The suggested alternative is using progesterone-based birth control pills, which continue to remain effective in the presence of CBD.

Since many CBD products also contain other cannabinoids that are part of the entourage effect, there is a possibility of a complex interaction with the reproductive system for both men and women.

Some researchers have suggested that there’s a risk that the reproductive system can be disrupted by the stimulation of the endocannabinoid system in a way that changes the way sperm production in men and egg release in women work. However, the research is still ongoing and will take some time to fully test out these initial results.

CBD and other related cannabinoids are very specific in the way they affect the body. This is the reason behind the confusion amongst researchers. Most conclude by echoing the need to investigate further.

CBD acts on many other hormones in the body, such as serotonin and dopamine, affecting our mood, eating patterns, circadian activity, and more. Combined with its impact on reproduction, it’s only within reason to assume that CBD has a cumulative effect on hormonal balance.

Do you take CBD together with birth control pills? Share your experience in the comment section!

Sources:

  1. Jiang, R., Yamaori, S., Takeda, S., Yamamoto, I., & Watanabe, K. (2011). Identification of cytochrome P450 enzymes responsible for the metabolism of cannabidiol by human liver microsomes. Life sciences, 89(5-6), 165–170.
  2. Ruh, M. F., Taylor, J. A., Howlett, A. C., & Welshons, W. V. (1997). Failure of cannabinoid compounds to stimulate estrogen receptors. Biochemical pharmacology, 53(1), 35-41. [2]
  3. de Castro Coelho, F., & Barros, C. (2019). The potential of hormonal contraception to influence female sexuality. International Journal of Reproductive Medicine, 2019. [3]
  4. Hormone Health Network. (2017, June). Estradiol. Retrieved from https://www.hormone.org/your-health-and-hormones/glands-and-hormones-a-to-z/hormones/estradiol.
  5. Almada, M., Amaral, C., Oliveira, A., Fernandes, P. A., Ramos, M. J., Fonseca, B. M., … & Teixeira, N. (2020). Cannabidiol (CBD) but not tetrahydrocannabinol (THC) dysregulatess in vitro decidualization of human endometrial stromal cells by disruption of estrogen signaling. Reproductive Toxicology, 93, 75-82. [5]
  6. Ruh, M. F., Taylor, J. A., Howlett, A. C., & Welshons, W. V. (1997). Failure of cannabinoid compounds to stimulate estrogen receptors. Biochemical pharmacology, 53(1), 35-41.
  7. O’Llenecia, S. W., Holloway, A. C., & Raha, S. (2019). The role of the endocannabinoid system in female reproductive tissues. Journal of Ovarian Research, 12(1), 1-10. [7]
  8. Crume, T. L., Juhl, A. L., Brooks-Russell, A., Hall, K. E., Wymore, E., & Borgelt, L. M. (2018). Cannabis use during the perinatal period in a state with legalized recreational and medical marijuana: the association between maternal characteristics, breastfeeding patterns, and neonatal outcomes. The Journal of Pediatrics, 197, 90-96.
  9. Fergusson, D. M., Horwood, L. J., Northstone, K., & ALSPAC Study Team. (2002). Maternal use of cannabis and pregnancy outcome. BJOG: An International Journal of Obstetrics & Gynaecology, 109(1), 21-27. [9]
  10. Shamloul, R., & Bella, A. J. (2011). Impact of cannabis use on male sexual health. The journal of sexual medicine, 8(4), 971-975.
  11. https://clinicaltrials.gov/ct2/show/NCT04396730 [This study is in progress]
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Nina Julia

Nina created CFAH.org following the birth of her second child. She was a science and math teacher for 6 years prior to becoming a parent — teaching in schools in White Plains, New York and later in Paterson, New Jersey.

CBD Oil and Birth Control – August 2022

There are several ways by which CBD may interfere with the effectiveness of birth control methods, primarily hormonal ones.

CBD has been shown to compete with estradiol, influence hormones, and interfere with how contraceptives are broken down in the body.

CBD Competes with Estradiol

Estradiol is one of three estrogen hormones naturally produced in the body. Increased estradiol levels precede the maturation and release of the egg from the ovary and the thickening of the uterus lining to implant a fertilized egg (1 ) .

A study published in The Journal of Pharmacology and Experimental Therapeutics examined CBD’s interference with estrogen receptors in rats (2 ) . At large doses, cannabis exhibited neither estrogenic or non-estrogenic effects .

Of several other common cannabinoids tested, only cannabidiol competed with estradiol for estrogen receptor binding. This binding action was evident only at very high concentrations of cannabidiol.

The study found that CBD might compete with estradiol for estrogen receptors found in the female reproductive system.

Scientists believe this action is how CBD prevents estrogen-based contraceptives from working properly, possibly leading to an increased risk of unwanted pregnancy.

CBD Influences Sex Hormones

Hormonal contraceptives work by influencing hormone behavior. In a study published in 2019 in the International Journal of Reproductive Medicine , it was noted that the essential component for any hormonal contraceptive method is progestogen (3 ) .

Progestogens are synthetic forms of progesterone, a naturally occurring sex hormone. Progestogen’s primary role is to prevent ovulation through a negative feedback mechanism, resulting in a decrease in luteinizing hormone.

Luteinizing hormone is associated with reproduction and ovulation. Its stimulation of either ovary or testicles results in the release of an egg from the ovary (ovulation) in women or testosterone production in men (4 ) .

A study found that carefully-controlled regulation of the endocannabinoid system (ECS) is required for successful reproduction, and marijuana from the Cannabis sativa plants may disrupt the delicate balance of the ECS in the female reproductive system (5 ) .

A study published in the Journal of Ovarian Research in 2019 examined the role of the endocannabinoid system in female reproductive tissue s (6 ) .

The authors found that chronic exposure to cannabinoids resulted in reduced sperm count, serum testosterone levels, and reduced ovulation in women (5 ) .

In females, chronic exposure to cannabinoids delayed sexual maturation, caused menstrual cycle disruption, and reduced serum concentrations of sex hormones.

CBD Interferes with Metabolism of Contraceptives

Preclinical research shows that CBD is broken down by cytochrome P450 enzymes while functioning as a competitive inhibitor of the same liver enzymes (7 ) .

The cytochrome P450 enzyme system is responsible for breaking down over 60% percent of any drugs, including contraceptives (8 ) .

CBD can inhibit the cytochrome P450 system’s ability to metabolize certain drugs, leading to an overall increase in processing times (9 ) .

When hormone-based contraceptives are taken with CBD, CBD can decrease how quickly the liver breaks down these oral contraceptives, which theoretically would increase the contraceptive hormone levels and increase the contraceptive’s effectiveness. However, unwanted side effects may occur as a result.

This enzyme-inhibiting action of CBD is suspected to increase breakthrough bleeding due to excess estrogen levels as a result of a slower breakdown. The role of marijuana or CBD on the effectiveness of oral contraceptives is unknown. Furthermore, marijuana is known to have adverse effects on fertility for both men and women. In women, it lowers the rate of ovulation which would lower pregnancy rates.

Conclusion

Further research is needed to determine what level of CBD impacts estrogen. Currently, there is no guideline as to the safe levels of CBD for women on birth control.

Before deciding to use CBD as a supplemental birth control method, consult with a doctor, preferably an obstetrician-gynecologist, who is experienced in cannabis use.

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