Written by Alina Petre, MS, RD (NL) ~ above April 28, 2020 — medically reviewed by Miho Hatanaka, RDN, L.D.

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Tea is one of the most well-known beverages global — and also one that plenty of women continue to enjoy during pregnancy.

Some drink it to simply decompress or help meet the increased fluid needs the pregnancy. However, a proportion of women show up to use tea together a organic remedy for pregnancy-related symptoms or together a tonic to prepare for childbirth in the last weeks of pregnant (1).

Many may believe that tea is more than likely safe come drink if pregnant since it’s natural. In reality, females may benefit from reducing their intake of details teas, while completely avoiding others throughout their pregnancy.

This article discusses the safety of tea during pregnancy, including which teas pregnant females may proceed to drink, and which they might want to avoid.

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Limit your intake the caffeinated teas
Black, green, white, matcha, chai, and also oolong teas space all sourced indigenous the leaves of the Camellia sinensis plant. They contain caffeine — a natural stimulant that must be restricted during pregnancy.

They each administer approximately the adhering to amount of caffeine per cup (240 mL) (2, 3, 4, 5, 6):

matcha: 60–80 mgoolong tea: 38–58 mgblack tea: 47–53 mgchai: 47–53 mgwhite tea: 25–50 mggreen tea: 29–49 mg

Caffeine can conveniently cross the placenta, and also your baby’s immature liver has difficulty breaking it down. As such, babies are much more likely to endure side results from quantities of caffeine that would otherwise be taken into consideration safe for adults.

Research argues that babies exposed to too much caffeine throughout pregnancy may have actually a higher risk of gift born preterm or through a low birth weight or birth defects. High caffeine intake during pregnancy may likewise increase the threat of heritage or stillbirth (7, 8, 9).

These risks appear minimal when pregnant ladies limit their caffeine intake come a best of 300 mg per day (8).

However, part women’s genetics may do them more sensitive to the ill results of caffeine. Because that instance, research argues that this little proportion of females may have actually a 2.4 times higher risk of miscarriage when consuming 100–300 mg that caffeine per day (8).

Caffeinated teas contain much less caffeine 보다 coffee and also are generally thought about safe to drink throughout pregnancy. However, their intake may need come be limited to stop consuming too much caffeine every day (10, 11).


Black, green, matcha, oolong, white, and chai teas save caffeine, a stimulant that have to be minimal during pregnancy. Return they’re usually safe, ladies may advantage from limiting their daily intake of this caffeinated teas throughout pregnancy.

Certain herbal teas may have risky side effects

Herbal teas space made from dried fruits, flowers, spices, or herbs and therefore contain no caffeine. However, they may contain various other compounds considered unsafe throughout pregnancy, i m sorry may an outcome in risky next effects.

Miscarriage or preterm labor

Teas the may boost your danger of legacy or preterm labor encompass (11, 12, 13, 14, 15):

fennelfenugreeksagevervainboragepennyroyallicoricethymemotherwortlovageblue cohoshblack cohoshfrankincense (in huge amounts)chamomile (in large amounts)

Menstrual bleeding

Teas that may stimulate or increase menstrual bleeding include (12, 16, 17):


Birth defects

Teas that may increase the danger of bear defects include (12):


Other side effects

Moreover, in rare cases, eucalyptus tea may reason nausea, vomiting, or diarrhea. Those more, a situation report suggests that regularly drinking chamomile tea during pregnancy may result in negative blood flow through a baby’s heart (1, 12).

Certain natural teas may likewise contain compounds that communicate with medications. Therefore, pregnant ladies should inform their healthcare providers of any herbal teas lock are at this time consuming or plan on consuming at any type of time throughout pregnancy (1).

Keep in mental that, because of the minimal amount of research on the safety and security of herbal teas, a lack of proof of an unfavorable side results shouldn’t be seen as proof the the tea is for sure to drink throughout pregnancy.

Until more is known, it might be best for pregnant females to stay cautious and avoid drinking any teas that have not yet been displayed to be most likely safe throughout pregnancy (18).


Certain organic teas may be connected to a higher risk of uncomfortable stomach, expression bleeding, miscarriage, bear defects, or preterm birth. Pregnant women may benefit from preventing all teas no yet deemed as most likely safe because that pregnancy.

Teas are not strictly tested or regulated. This method that women may be inadvertently drink teas contaminated with unwanted compounds, such as hefty metals (19, 20).

For instance, one examine tested common off-the-shelf black, green, white, and also oolong teas. It uncovered that 20% of every samples to be contaminated through aluminum. Moreover, 73% of every samples contained lead levels taken into consideration unsafe during pregnancy (21).

In an additional study, women with the highest intake that green and herbal teas during the very first trimester that pregnancy had 6–14% higher blood command levels 보다 those that drank the least. The said, all blood lead levels continued to be within the normal variety (20).

Due come the absence of regulation, there’s also a danger of herbal teas containing ingredient not noted on the label. This rises the danger that pregnant women finish up inadvertently consuming a tea tainted through an undesirable herb, such together the ones provided above.

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It’s currently impossible to remove this risk. However, you may somewhat minimize it by only purchasing teas from reputable brands.

What’s more, it’s likely finest to stop purchasing teas in bulk, together they have actually a greater risk of coming to be mixed through tea pipeline that might be contraindicated during pregnancy from surrounding bulk bins.


The production of teas is no regulated. As a result, teas may become tainted v unwanted compounds, together as hefty metals or herbs that have been attached to poor pregnancy outcomes.

Most caffeinated teas are taken into consideration safe come drink during pregnancy, as lengthy as they perform not cause a woman’s complete daily caffeine intake to exceed 300 mg (8, 11).

Women that are particularly sensitive come caffeine may advantage from aiming because that a maximum of 100 mg the caffeine every day (8).

When it involves herbal teas, there’s no a the majority of research concerning their effects during pregnancy. Together such, most health professionals advise pregnant women to protect against consuming any kind of herb in quantities greater 보다 you would uncover in foods (1, 12, 18).

That said, follow to a few studies, organic teas containing the adhering to ingredients might be safe to consume during pregnancy:

Although generally considered safe, raspberry leaf may promote uterine contractions if peppermint may stimulate menstrual flow. Therefore, there’s part controversy about whether these teas are safe throughout the an initial trimester of pregnancy (12, 23).

Therefore, it might be ideal to stop drinking these 2 teas in the very first 12 weeks of pregnancy.


Herbal teas taken into consideration to be maybe safe or likely safe during pregnancy incorporate raspberry leaf, peppermint, ginger, and lemon enjoyment teas. However, it might be ideal to avoid raspberry leaf and peppermint teas in the very first trimester that pregnancy.

Despite their widespread popularity, no all teas are reputed safe for pregnancy.

Caffeinated teas prefer black, green, white, matcha, and also chai teas room generally taken into consideration safe. However, their intake might need to be limited to prevent ingesting excessive amounts of caffeine.

Most organic teas need to be avoided. Raspberry leaf, peppermint, ginger, and also lemon balm tea are the just ones currently deemed as potentially safe. However, ladies may advantage from avoiding the very first two during their first trimester that pregnancy.