Oregano is perfectly safe when used as an herb in moderation, however it should be avoided in high doses. The main threat is that the plant tones the uterus, which is extremely undesirable in pregnancy. Much of this is due to medical pressure for induction of labor by 40 weeks of pregnancy. Beverage and nutritive teas that are known to be safe in moderate amounts (i.e., red raspberry, spearmint, chamomile, lemon balm, nettles, rose hips) can be considered reasonable for regular use in pregnancy. All rights reserved. Your oil of oregano dosage will depend on the condition you're treating. Poisonous, like adonis, kill the fetus and adversely affect the entire body, which is fraught with toxic poisoning or a dangerous heart attack. Among women of reproductive age generally in the United States from 2008 to 2012, almost 40% of Medicaid-enrolled women and 28% of commercially insured women filed claims for narcotics. Oregano should not be used during pregnancy as it stimulates menstruation and may cause miscarriage.12 The oil should not be used internally by anyone. Is oregano safe during pregnancy? Would any of you ladies be able to provide an update? But oregano in pregnancy is not recommended because of the high risk of an abortion. Into astrology? Oregana is the most popular representative of this genus. Yet it is always advisable to consult your doctor about its use during pregnancy. Other side effects of blue cohosh include maternal headache and nausea. Just because herbal remedies can be described as "natural", that doesn't necessarily mean they are safe or suitable during pregnancy. It can be found year-round and makes a good addition to many dishes. But the use of oregano oil is not very common, especially in the case of pregnant women. Hundreds of widely available over-the-counter remedies, including popular cold, cough, and flu products, contain acetaminophen. Cedarwood (essential oil):Avoid during pregnancy and breast-feeding. Foods to Avoid While Pregnant. Hedgecraft Herbals Bring nature's healing magic home. Certain compounds of the oil might trigger uterine i stimulation and cause preterm labor. Oil of oregano can even be applied topically as a soothing balm to get relief from chest congestion or sore throat. Read on to learn more about whether it is safe to use oregano oil while pregnant, its general uses, possible side effects for you and your baby, and when to consult a doctor. Is It Safe To Take Omega-3 Fish Oil Supplements in Pregnancy? Obstet Gynecol 2014; 123:9971002. Most of what is currently known about botanical use during pregnancy is based on a significant body of historical, empirical, and observational evidence, with somepharmacologic and animal studies. It is not a condition that is recognized by conventional medicine. The use of oregano oil is found to be unsafe during pregnancy. Use tab to navigate through the menu items. Hopefully if others read this they'll know as its a pretty widely used remedy these days and you never think something as innocent as a herb is that dangerous to an early pregnancy. In this article, any use of essential oils refers to inhalation or topical use. The oil, even in small amounts, is known to cause side-effects and allergic reactions. Pregnant women should not take oregano in medicinal amounts because the oils they contain could reach the baby and harm it or may cause miscarriages. Yep all is good today. This makes it difficult to set a standard dose. Oregano is an herb that is generally safe to use in small amounts, but always talk with your doctor before using it for any purpose other than to season your food. .theres an herbal tea you can drink . First, it's important to choose your essential oils with care. The answer is yes, with a few special considerations. Not recomended. Oregano is perfectly safe when used as an herb in moderation, however it should be avoided in high doses. An excellent soporific effect creates a pillow filled with dry oregano, if it is hung in the bedroom. Green tea is rich in nutrients, which means you can enjoy a cup or two every day. What about oregano? are clickable links to these studies. Console yourself with thoughts about future tea drinking after childbirth, when the oregano will be harmless and even useful for the nursing mother. Several herbs have also been scientifically proven to be safe during pregnancy. And as many as 90% of all pregnant women will be prescribed some medication during pregnancy! Licorice is an example of such an herb. The oil, even in small amounts, is known to cause side-effects and allergic reactions. 1. Sara Ipatenco has taught writing, health and nutrition. Experts agree that oregano is safe when used for its intended purpose -- adding flavor to food. Ginger treatment of hyperemesis gravidarum, Eur J Obstet Gyn Reprod Biol 38, 1 (1990): 19-24. 5. 2. By Kelly Bilodeau, Former Executive Editor, Harvard Women's Health Watch. This is because they are more concentrated in tea than they are in recipes, and larger doses pose a higher risk. Some little research has indicated that tulsi may stimulate the flow of blood to the uterus and pelvic area, which could cause contractions. Expecting moms strive for a healthy pregnancy, and that should include good dental health too. It is recommended that you do not use oil of oregano while you are pregnant because it can induce menstruation. Hardy M. Herbs of special interest to women, Journal of the American Pharmaceutical Association 40, 2 (2000 March/April): 234-239. If youre anxious there are a few ways to help things along . However, you need to limit the quantity due to the epigallocatechin (EGCG) and caffeine content in it ( 1 ). I'm honestly not sure, maybe motherisk.org would be a better place to find the answer. D1. Vutyavanich T, et al. Can you have sex? Red dates eaten in the 3rd trimester have also been shown to be safe and effective at making labor easier and they're delicious To learn how to use these head over to this article. An exception is allowed only if the benefit is significantly greater than the risks. Uterine bleeding, which provokes the active components of oregano, is very dangerous for the mother and the fetus. D1. The danger of the drink is that it can raise the tone of the uterus and blood pressure; both are dangerous for a woman in the situation. Next time I will google stuff before taking, not after!! Herbs for Common Pregnancy Symptoms: An Overview. Safety Risks of Using Essential Oils While Pregnant. The most commonly dispensed prescription medications among pregnant women enrolled in the United States Medicaid program. Their oils are used in meat processing, salads, stews, alcoholic beverages, and baked foods (17). The oil may not be safe during pregnancy, but in non-pregnant individuals, it has some uses. Any external influence on these processes is undesirable, because it can be detrimental to the fetus. Proudly created withWix.com. Martinez holds a master's degree in psychology. Anyone have any experiences with this or know how much will cause a mc? Im not sure how worried I should be. The information published on the portal is for reference only and should not be used without consulting a specialist. Ernst E and Schmidt K. Health risks over the internet: Advise offered by medical herbalists to a pregnant woman, Wien Med Wschr 152 (2002):190-192. Grass changes the level of estrogen, which causes the development of the fetus to stop and premature termination of pregnancy. Panax ginseng. Abortive plants are divided into two types. 6 essential oils that are safe to use when breastfeeding. Is It Safe To Eat Imitation Crab During Pregnancy? Maternity Belt For Pregnancy Back Support, Growing You: Pregnancy Journal for Mom and Baby, The Man Behind The Bump Men's Funny T-Shirt, Body Oil for Stretchmarks with Vitamin A, E, The Baby Owner's Manual: Operating Instructions, hiccapop Pregnancy Pillow Wedge for Maternity, Pearhead Triple Sonogram Pregnancy Keepsake Frame, The Sh!t No One Tells You About Pregnancy, Baby Belly Bump Weekly Milestone Sticker for Mom-to-be, Expecting You A Keepsake Pregnancy Journal, Bump Boxes 2nd Trimester Pregnancy Gift Box, The Big Fat Activity Book for Pregnant People, 2020 by Bump & More. Pregnancy is a time when women need to be extra careful about what they eat. All rights reserved. If you have further questions or concerns I recommend consulting with a trusted health professional from your community. MomJunction believes in providing reliable, research-backed information to you. Every pregnant woman should be on a sound prenatal vitamin. Im breastfeeding an 11 week old but before learning of oregano essential oils power I applied 1-2 100% undiluted drops 2x today to my toe, trying to be rid of any remaining fungus I felt the effects all over my body but no chemical burn. In this condition, an excess of the yeast candida albicans is thought to cause symptoms, such as sinus congestion, headache, fatigue, and depression. Profound neonatal congestive heart failure caused by maternal consumption of blue cohosh herbal medication, Journal of Pediatrics 132 (2003 March):1323. Oregano . Note that sorghum in normal food use is considered safe. Optimal doses of oregano have not been set for any condition. Herbs to avoid during pregnancy include: Uterine stimulants like aloe, barberry, black cohosh, blue cohosh, dong quai, feverfew, goldenseal, juniper, wild yam and motherwort Thus it is necessary to watch, that the medicine did not get inside. The use of oregano oil is found to be unsafe during pregnancy. Is Oil Of Oregano Safe During Pregnancy? For preparation of the external means take a teaspoon of dry raw material on a glass of water, brew, insist and cool. Many of these problems can be addressed safely and gently with mild herbs such as echinacea, ginger, or chamomile respectively. In view of toxicity, it is important not to overdose, and if the amount of the funds is insufficient, the fruit will not come out, so that its decomposition and sepsis may begin. Try adding some fresh Mexican oregano leaves to your next batch of salsa or toss them into a taco or burrito for an authentic flavor. ", NYU Langone Medical Center: "Candida/Yeast Hypersensitivity Syndrome. Symptmes de grossesse ne jamais ignorer, Moyens naturels pour dclencher l'accouchement. 5 Safe Herbs for a More Comfortable Pregnancy and Better Birth, Severe headaches, blurry vision, or epigastric pain, Rupture of membranes prior to 37 weeks pregnancy, Regular uterine contractions prior to 37 weeks pregnancy. Learning more about what oil of oregano is used for and why you should avoid it during pregnancy can help you have a safe pregnancy. All rights reserved. Carefully read therules and policies of the site. Rosemary. Read my blog posts about labor initiation. Respiratory ailments like the build-up of phlegm and mucus in the upper respiratory tract can easily be cured by the use of oil oregano in pregnancy. Herbal remedies can be powerful and can work in the same way as prescribed medication. See More:peppermint oil during pregnancy. Almost 83% of these women were dispensed at least onemedication; half of these were antibiotics. Oregano is packed with antifungal and antibacterial properties. (2001 April): 46. Oregano oil has the power to destroy candida, the cause of yeast infections, which is one of the oil's most common uses. That help in shielding you and your baby against various infections throughout the pregnancy period. Avoid taking by mouth during pregnancy as it may cause uterine contractions.6 When applied topically, aloe vera is used for acne and wound healing. Cough, tonsillitis is treated with the infusion of the plant, performing throat rinses. Oregano during pregnancy belongs precisely to such herbs. * The content is based on medical / pregnancy websites &forums found on the web. Is It Safe To Consume Pasta During Pregnancy? In the meanwhile, The Natural Pregnancy Book is a great resource. A study reveals that although oregano oil has a GRAS status (Generally Recognized As Safe), it may have, In a study, 14 adults experiencing gastrointestinal issues and chronic fatigue due to fecal parasites were given 600 mg of oregano oil. . Allowed limited use, preferably individually, using the useful properties of these plants. I dont want to use it anymore I just want to safely breastfeed, do I need to pump and dump? Due to this reason, this is another herbal tea to be avoided during pregnancy. You should know that the dosage in this case is extremely important. As a midwife and MD with a specialty in obstetrics, I'm grateful for the technology when it's needed. It is allowed to use the decoction from the grass outside: it can be washed by a face on which rashes or other defects can occur during pregnancy, and also gargle and mouth cavity in case of angina, stomatitis, gingivitis. JAMA. It also safeguards from E.coli infections and diseases such as urinary tract infections and diarrhoea. While you are expecting you can also apply the oil of oregano topically to reduce any inflammation or irritation caused due to arthritis or injury. And if its the latter, is it safer to take during pregnancy? However, some wonder whether it is safe to use the oil of oregano when pregnant. The danger is also in increasing a - in the presence of pathologies of these organs. Ill be checking into this first thing in the morning! However, much the same can be said for the use of many pharmaceuticals during pregnancy, most of which have not been tested or proven safe in pregnancy. Thanks! Herbs have been used for the treatment of discomforts and common problems arising during pregnancy and childbirth dating at least back to ancient Egypt. ", Government Printing Office: "Substances Generally Recognized as Safe. Posted Under Herbs & Spices Oregano For some women who have a tendency towards an easy miscarriage or who are still very early in the pregnancy, it would be preferable to avoid any herbs or . Contains aromatic and fatty oils, vitamin C, has healing and spicy taste properties. There are many claims about the uses of oregano oil. A properly prepared product not only causes monthly, but also stabilizes the cycle in the future. .Ive found that some of them are very effective . We have strict sourcing guidelines and only link to reputable media sites, academic research institutions and, whenever possible, medically peer reviewed studies. However, before you take an allergy medication, consider ways to reduce your symptoms, including: Avoiding triggers. This combination is suitable for restoring the cycle, especially with scant excretions and disappearing menstruation. Between midnight bathroom breaks, out-of-control hormones, and pregnancy woes such as congestion and heartburn, you might be spending more time out of your bed than in it. You have now learned about the goodness of using oregano during pregnancy. It pairs well with sauteed vegetables and meats when chopped and sprinkled in during the cooking process. It is highly concentrated and produces the same risk as does large doses of oregano to make tea. Oregano can alleviate a headache: for this purpose, apply compresses moistened with decoction, or rinse hair after washing. Thankfully there are many ways to simply, and safely support your body during pregnancy if you decide that oregano oil isn't for you. Oregano oil is a popular condimentiXA flavorful substance used to enhance the taste of food and flavoring substance in several cuisines (4). "Overall, herbal teas are generally very safe to consume, and most often beneficial during pregnancy. It has a strong, pungent flavor and is often used to flavor . Ranzini A. Image courtesy: Shutterstock Photo credit: Thinkstock. All iLive content is medically reviewed or fact checked to ensure as much factual accuracy as possible. Ailes EC, et al. I took it during my first trimester everything worked out fine. Hepner D, et al. Homeopathy is also considered safe during pregnancy. And one more caution: the described method of interruption is not suitable for late terms (more than 12 weeks), as well as the first pregnancy. Yetit's important to be aware of the safety issues when using herbs in pregnancy, because not everything that's natural is safe for pregnant moms. its ingredients are: Oregano Oil supercritical CO2 extract 230mg and Carcavrol and Thymol 32mg with Sunflower Lechtin and hypromellose capsuleI may just buy some Oregano tea at this point. Pregnancy causes a number of physiological adaptations that differ slightly in every pregnancy. It's why I began studying them over 30 years ago, and why I continue to incorporate them as my first go-to in my medical practice whenever possible. Oregano possesses a compound, beta-caryophyllin (E-BCP) that is excellent in treating internal as well as external inflammation in your body. ., Obstetrician in Friends, The One Where Rachel is Late. The use of such herbs poses a threat to the life of the mother. Sprinkle some on pizza before adding the toppings or add a pinch to a batch of spaghetti sauce. Perhaps the most reasonable approach to herb safety is a risk: benefit one that takes into consideration the safety of the individual herb, the severity of the symptom or condition and comparing this to the safety of the corresponding conventional medical approach. Carvacrol prevents diet-induced obesity by modulating gene expressions involved in adipogenesis and inflammation in mice fed with high-fat diet. 10 Natural And Effective Ways To Induce Labor At Home, 5 Types Of Skin Allergies In Babies, Treatment & Prevention, Yeast Infection During Pregnancy: Causes And Symptoms, Chemical Composition and Biological Activities of Oregano Essential Oil and Its Fractions Obtained by Vacuum Distillation, Bactericidal Property of Oregano Oil Against Multidrug-Resistant Clinical Isolates, The immune modulatory effect of oregano (Origanum vulgare L.) essential oil on Tilapia zillii following intraperitoneal infection with Vibrio anguillarum, Dietary oregano essential oil improved the immune response, activity of digestive enzymes, and intestinal microbiota of the koi carp, Cyprinus carpio, Anti-inflammatory, tissue remodeling, immunomodulatory, and anticancer activities of oregano (Origanum vulgare) essential oil in a human skin disease model. Oregano. You can also contact us! Pinn G and Pallett L. Herbal medicine in pregnancy, Complementary Therapies in Nursing and Midwifery 8 (2002): 77-80. Certain compounds of the oil might trigger uterineiXRelated to the uterus of a female stimulation and cause preterm labor. Those who are pregnant should not use essential oils internally. Some cultures use basal and oregano tea as an emmenagogue to bring on a late period. Women can experience insomnia during all stages of pregnancy, but it tends to be more common in the first and third trimesters. 20+ Healthy Fruits To Eat During Pregnancy, With Benefits, Figs (Anjeer) During Pregnancy: Benefits And Side Effects, Eating Hemp Seeds When Pregnant: Safety, Benefits And Side Effects. Copyright 2023 Leaf Group Ltd. / Leaf Group Media, All Rights Reserved. And people taking lithium should avoid oregano. Nix the Alcohol, Bring On Yoga! For example, oregano oil is often marketed for the treatment of intestinal parasites and the symptoms that go with it, such as: A single study found that taking 200 milligrams of oregano oil three times a day for six weeks eliminated three such parasites. Another study found that the rate of narcotics dispensed to pregnant women who were enrolled in Medicaid in these same years increased from 18.5% to 22.8% with rates exceeding 30% in five states. With a cold, along with sweat, it removes harmful ingredients from the body. Some aromatherapy oils may stimulate contractions, so it's important to know what oil you're using. actually there are things you can dojust some home remedies . See nutrition information. For better or worse, there are a lot of experts on the internet wild-west giving advicethat may not always be accurate,so it's important to get your information from reliablesources thatyou can trust. After six weeks, the parasites disappeared in many adults, MomJunction's articles are written after analyzing the research works of expert authors and institutions. Try Mexican oregano in your south-of-the-border dishes. Unless you are pregnant, go nuts on the sushi, but pregnant women need to hold off for 9-months. However, a woman who is responsible for her health, should not engage in self-medication, potent herbs including. Safe in normal culinary use. Oregano is a safe herb that can be used during pregnancy. Get high-quality PDF version by clicking below. What is the best way to take oregano oil? However, there has been a lack of research on the safety of herbal teas like oregano during pregnancy 7. This is because high amounts of oregano can function as a uterine stimulant. Worried. It is not recommended to use it and as a seasoning. Association Between Use of Oral Fluconazole During Pregnancy and Risk of Spontaneous Abortion and Stillbirth. Quality and active ingredients in supplements may vary widely. Topicalapplications, including vaginal use (i.e., for the treatment of vaginal infections), of most herbs is considered safe, however, some herbs, for example, poke root, pennyroyal oil, and thuja, which are known to be toxic, should be avoided internally and topically. In the first trimester, as is known, the nervous system and the brain are formed in the fetus. With a variety options to choose from, there are plenty of ways to get the pregnancy . Thus, consult the doctor immediately if you have been using oregano oil and notice any of the signs mentioned in the infographic.SaveIllustration: Momjunction Design Team. I hope this article gives you a glimpse into the potential benefits of herbs in pregnancy. This downloadable chart, Herbal Treatment of Common Pregnancy Concerns, provides guidelines for commonly used botanical treatments for several pregnancy problems, and provides a brief discussion of the safety of the herbs presented. Even medications previously thought to be safe in pregnancy, including Tylenol, have now been found to cause potential problems for baby. Oils are not suitable for application to the skin, because they are easily absorbed and can harm the body. Play It Safe with Herbs and Oils. Check out our Zodiac Center! Overall, most herbs have a high safety profile with little evidence of harm. (Food & Nutrition), MBA, Swati Patwal is a clinical nutritionist, a Certified Diabetes Educator (CDE) and a toddler mom with more than a decade of experience in diverse fields of nutrition. In this connection, alternative medicine recommends women tea with oregano: Prohibition of oregano in pregnancy is associated with an effect on the musculature of the uterus: the plant causes it to contract and bleed, and this is a real threat of miscarriage and premature birth. Fischer-Rasmussen W, et al. The pregnant woman will have to abstain until well-off deliveries, but for now replace her favorite drink with another, safe herbal tea. In addition, several nutrients in a good prenatal . Your email address will not be published. Green Tea. Phew. And there is no evidence that oregano oil helps treat these symptoms. You're invited to read the fullrecommandation intheir link under "read more". Bay (essential oil): Avoid during pregnancy and breast-feeding. It helps your body produce energy and protein and allows muscle contraction. Turns out its really dangerous in the first trimester for causing miscarriages. Tea, essential oil. In particular, oregano is contraindicated in pregnancy, it is better to completely eliminate it from use, and without special need - and do not use, including externally. Partus preparators are herbs sometimes used during the last weeks of pregnancy to tone and prepare the uterus for labor. What You Need to Know, 13 Best Indian Home Remedies for Abortion at Early Weeks, Spotting During Pregnancy: Causes and Symptoms, Benefits and Risks of Lipton Tea During Pregnancy, Mustard During Pregnancy: Benefits and Side Effects, Basil (Tulsi) Seeds Benefits During Pregnancy, Persimmon (Japani Phal) Benefits During Pregnancy, 20 Simple & Beautiful Birthday Cake Designs For Ladies 2023, 9 Beautiful Long Salwar Suit Designs for Elegant Look, 15 Latest Designs of Designer Necklaces in Various Styles, 15 Trending Designs Of Levis Belts for Stylish Look, 10+ Fun and Colorful Summer Nail Art Designs 2023, Kurti Neck Designs 25 Trending and Stylish Collection in 2023. In open sources it is emphasized that tansy gives almost 100% effect in the early periods; the main thing is to properly cook and eat tansy with tartarum in pregnancy. Whenever we are not sure we prefer to take the conservative option and skip Oregano for nine months of pregnancy. In this regard, we warn you that the translation of this article may be incorrect, may contain lexical, syntactic and grammatical errors. Avoid topical use of essential oil during pregnancy; avoid ingestion of essential oil. Infusion and alcohol tincture reduce menstrual pain. This involves the use of herbs in treating infections in the body. . They have historically been used to facilitate a rapid and easy delivery. Drugs.com notes that oil of oregano may also be used by some cultures as a way to abort a baby, as it can cause the development of gastrointestinal disorders, genital hemorrhage and the failure of your internal organs. Pregnant mommas commonly experience minor symptoms and discomfortsfor which the use of natural remedies may be gentler and safer than over-the-counter (OTC) and prescription pharmaceuticals. In a small study, 200 mg/day emulsified O. vulgare oil was administered for 6 weeks. If you experience any spotting, call your doctor right away, particularly if you have used oil of oregano. Complementary and alternative medicine in pregnancy: asurvey of North Carolina certified nurse-midwives, Obstetrics and Gynecology 95 (2000): 19-23. . Wichtl M. 4th ed., Herbal Drugs and Phytopharmaceuticals: A Handbook for Practice on a Scientific Basis (Stuttgart, Germany: Medpharm, 2004). As per our strong editorial policy requirements, we base our health articles on references (citations) taken from authority sites, international journals, and research studies. To simplify the perception of information, this instruction for use of the drug "Oregano during pregnancy: is it possible in the early stages" translated and presented in a special form on the basis of the official instructions for medical use of the drug. Copyright 2011 - 2023 MomJunction Private Limited. This procedure has a beneficial effect on the structure of the hair and scalp. Blue cohosh contains a number of potent alkaloids including methylcystine and anagyrine, the latter, which is known to have an effect on cardiac muscle activity. Note that the numbers in parentheses ([1], [2], etc.) 1. Into astrology? Oregano belongs to the so-called abortive herbs, therefore, alternative medicine for oregano for the abortion has been used for a long time. Make salad dressing with fresh or dried oregano. But the study was small, inconclusive, and was funded by a supplement manufacturer. Opioid prescription claims among women of reproductive ageUS 20082012. Took oil of oregano at 5 weeks. Weed S. Wise Woman Herbal for the Childbearing Years (Woodstock, NY: Ash Tree Publishing, 1986). I made myself barf most of it up but the capsule had broken as it was about a half hour later. Consult with your doctor and a qualified aromatherapist with questions or concerns. The herbs cited in the medical literature as most frequently used for pregnancy concernsvaries slightly among studies, but includes: echinacea, St Johns wort, ephedra; peppermint, spearmint, ginger root, raspberry leaf, fennel, wild yam, meadowsweet; blue cohosh, black cohosh, red raspberry leaf, castor oil, evening primrose, garlic, aloe, chamomile, peppermint, ginger, echinacea, pumpkin seeds, and ginseng. Is oil of oregano safe to take while pregnant? Little is known scientifically about the safetyof mostherbs during pregnancy, as most have not been formally evaluated and ethical considerations limit human clinical investigation during pregnancy. The risks associated with extended third trimester ingestion of blue cohosh specifically suggest that it should be avoided as a partus preparator. Oregano is an herb that's commonly used in cooking. As there is inadequate research on the safety of oregano oil during pregnancy (2), both oral and topical use is discouraged during pregnancy (3). Thyme is completely forbidden for hypertension, malfunctioning of the heart and thyroid gland. Oregano Safety. Syrups during pregnancy: what can and what can not? There are a number ofherbs whose constituents (chemical composition) are mostly gentle, nutritious substances such as carbohydrates vitamins, and minerals and which can be used safely in pregnancy as basic daily tonics, for example, nettles (Urtica dioica), milky oats (Avena sativa), and red raspberry leaf (Rubus idaeus). Topically, the volatile oil of oregano may be moderately irritating to skin and can be a potent mucous membrane irritant. The U.S. Food and Drug Administration lists oregano as generally recognized as safe, and herbs deemed GRAS are presumably safe in tea as well. Now that you know I wouldn't continue taking it. Not recomended. Pregnancy is not a good time to stop taking care of your teeth. Avoid all forms of sex vaginal, oral and anal if your partner has an active or recently diagnosed sexually transmitted infection.
