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

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Tea is just one of the most popular beverages global — and one that many women continue to enjoy throughout pregnancy.

Some drink the to simply decompress or aid meet the increased fluid needs that pregnancy. However, a ratio of women appear to usage tea as a natural remedy because that pregnancy-related symptom or together a tonic come prepare for childbirth in the last weeks of pregnancy (1).

Many may believe that tea is most likely safe come drink when pregnant because it’s natural. In reality, women may advantage from reducing their intake of particular teas, while fully avoiding rather throughout their pregnancy.

This article discusses the safety of tea throughout pregnancy, consisting of which teas pregnant ladies may proceed to drink, and also which they may want come avoid.

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Limit your intake that caffeinated teas
Black, green, white, matcha, chai, and oolong teas space all sourced from the pipeline of the Camellia sinensis plant. Castle contain caffeine — a organic stimulant that should be minimal during pregnancy.

They each carry out approximately the adhering to amount the 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 quickly cross the placenta, and your baby’s immature liver has difficulty breaking the down. Together such, babies are an ext likely to endure side results from quantities of caffeine that would certainly otherwise be taken into consideration safe because that adults.

Research says that infants exposed come too lot caffeine throughout pregnancy may have a higher risk of gift born preterm or v a low birth load or birth defects. High caffeine intake throughout pregnancy may additionally increase the threat of miscarriage or stillbirth (7, 8, 9).

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

However, some women’s genes may do them more sensitive to the ill impacts of caffeine. Because that instance, research suggests that this little proportion of females may have a 2.4 times greater risk of miscarriage when consuming 100–300 mg that caffeine every day (8).

Caffeinated teas contain much less caffeine than coffee and also are generally taken into consideration safe come drink throughout pregnancy. However, your intake might need to be restricted to stop consuming too lot caffeine every day (10, 11).


Black, green, matcha, oolong, white, and also chai teas save on computer caffeine, a stimulant that must be minimal during pregnancy. Back they’re normally safe, females may advantage from limiting their everyday intake of this caffeinated teas during pregnancy.

Certain herbal teas may have actually risky next effects

Herbal teas are made from dried fruits, flowers, spices, or herbs and also therefore save no caffeine. However, they may contain other compounds taken into consideration unsafe during pregnancy, which may an outcome in risky next effects.

Miscarriage or preterm labor

Teas the may increase your hazard of heritage or preterm labor include (11, 12, 13, 14, 15):

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

Menstrual bleeding

Teas that might stimulate or boost menstrual bleeding encompass (12, 16, 17):


Birth defects

Teas that may rise the danger of bear defects incorporate (12):


Other next effects

Moreover, in rare cases, eucalyptus tea may reason nausea, vomiting, or diarrhea. What’s more, a instance report argues that consistently drinking chamomile tea throughout pregnancy may an outcome in bad blood flow through a baby’s love (1, 12).

Certain herbal teas may additionally contain link that communicate with medications. Therefore, pregnant ladies should notify their medical care providers of any type of herbal teas lock are right now consuming or plan on spend at any type of time throughout pregnancy (1).

Keep in mind that, due to the restricted amount of research on the safety and security of herbal teas, a lack of proof of an unfavorable side impacts shouldn’t be seen as proof that the tea is for sure to drink during pregnancy.

Until much more is known, it may be best for pregnant ladies to stay cautious and also avoid drinking any type of teas that have actually not however been shown to be likely safe throughout pregnancy (18).


Certain natural teas might be attached to a greater risk of uncomfortable stomach, expression bleeding, miscarriage, birth defects, or preterm birth. Pregnant women may advantage from staying clear of all teas not yet understood as likely safe because that pregnancy.

Teas space not strictly tested or regulated. This means that women might be inadvertently drinking teas contaminated with unwanted compounds, such as hefty metals (19, 20).

For instance, one research tested common off-the-shelf black, green, white, and also oolong teas. It discovered that 20% of all samples to be contaminated through aluminum. Moreover, 73% of all samples had lead levels thought about unsafe throughout pregnancy (21).

In another study, women through the highest possible intake of green and herbal teas during the an initial trimester that pregnancy had actually 6–14% higher blood command levels than those who drank the least. That said, every blood command levels remained within the normal range (20).

Due come the lack of regulation, there’s likewise a risk of herbal teas containing ingredients not listed on the label. This boosts the danger that pregnant women end up inadvertently consuming a tea tainted v an undesirable herb, such together the ones listed above.

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It’s right now impossible to get rid of this risk. However, you may somewhat minimize it by only purchasing teas from reliable brands.

What’s more, that likely ideal to stop purchasing teas in bulk, as they have a greater risk of becoming mixed v tea pipeline that may be contraindicated during pregnancy from surrounding bulk bins.


The manufacturing of teas is no regulated. Together a result, teas may become tainted v unwanted compounds, such as heavy metals or herbs that have been connected to poor pregnancy outcomes.

Most caffeinated teas are considered safe to drink throughout pregnancy, as long as they do not reason a woman’s complete daily caffeine intake to exceed 300 mg (8, 11).

Women that are an especially sensitive come caffeine may advantage from aiming because that a best of 100 mg of caffeine per day (8).

When it pertains to herbal teas, there’s no a many research regarding their effects during pregnancy. Together such, most health specialists advise pregnant women to avoid consuming any herb in amounts greater 보다 you would uncover in foods items (1, 12, 18).

That said, follow to a couple of studies, natural teas containing the complying with ingredients may be for sure to consume throughout pregnancy:

Although generally considered safe, raspberry leaf might promote uterine contractions while peppermint might stimulate menstrual flow. Therefore, there’s some controversy about whether these teas space safe throughout the first trimester of pregnancy (12, 23).

Therefore, it may be finest to stop drinking these two teas in the first 12 main of pregnancy.


Herbal teas taken into consideration to be possibly safe or likely safe during pregnancy encompass raspberry leaf, peppermint, ginger, and lemon balm teas. However, it might be best to protect against raspberry leaf and also peppermint teas in the very first trimester that pregnancy.

Despite their prevalent popularity, no all teas are reputed safe because that pregnancy.

Caffeinated teas like black, green, white, matcha, and chai teas are generally considered safe. However, your intake might need come be limited to prevent ingesting excessive quantities of caffeine.

Most natural teas must be avoided. Raspberry leaf, peppermint, ginger, and also lemon balm tea room the only ones currently deemed as possibly safe. However, ladies may advantage from preventing the first two throughout their first trimester the pregnancy.