Ginger tea is generally safe during pregnancy when consumed in moderate amounts, up to about 1 to 1.5 grams of ginger per day. It’s one of the most commonly recommended natural remedies for morning sickness, and clinical trials have not found a link between ginger at these doses and miscarriage or birth defects.
How Much Ginger Tea Is Safe
The widely cited upper limit for ginger during pregnancy is 1 to 1.5 grams of dried ginger per day, a recommendation endorsed by the UK’s NHS and echoed across major health organizations. To put that in practical terms: a typical ginger tea bag contains roughly 1 to 2 grams of dried ginger root, and a cup made from fresh ginger slices (about a thumb-sized piece steeped in hot water) falls well within safe range. Most guidance suggests keeping intake to around one to three cups of ginger tea per day.
There’s a meaningful difference between sipping ginger tea and taking concentrated ginger supplements. Tea naturally delivers a lower, more diluted dose than capsules or liquid extracts. Very large doses of around 6 grams have been associated with stomach irritation and damage to the protective lining of the stomach, but you’d have to drink an unrealistic amount of tea to reach that level.
Ginger Tea for Morning Sickness
Ginger’s main appeal during pregnancy is its ability to ease nausea and vomiting, particularly in the first trimester. Multiple randomized controlled trials have tested ginger against both placebos and vitamin B6 (the standard first-line treatment for morning sickness), using doses between 975 and 1,500 milligrams per day divided into three or four doses over periods up to three weeks. While the studies used different ways of measuring improvement, making a single definitive number hard to pin down, the overall body of evidence supports ginger as an effective option for reducing pregnancy nausea.
The formats tested in clinical trials included 250 mg powder capsules taken four times daily, 125 mg liquid extract four times daily, and ginger syrup mixed with water. Ginger tea wasn’t always the exact form studied, but the active compounds are the same. Fresh ginger contains higher levels of gingerol (the compound primarily responsible for its anti-nausea effects), while dried ginger has more shogaols, a related compound formed during the drying process. Both forms are effective.
Miscarriage and Pregnancy Outcomes
One of the most common fears around ginger in pregnancy is whether it could cause miscarriage. The clinical evidence does not support this concern at normal dietary doses. In a double-blind study where 32 women took 1 gram of dried ginger daily in capsule form, one spontaneous abortion occurred in the ginger group compared to three in the placebo group. Rates of cesarean delivery were also no different between the two groups.
No well-designed human study has linked moderate ginger consumption to miscarriage, preterm labor, or fetal malformations. The concern likely stems from older animal studies using extremely high doses that don’t translate to the amounts found in food or tea.
Blood Clotting Concerns in Late Pregnancy
Ginger has mild blood-thinning properties. It can reduce platelet clumping and interfere with the production of certain compounds your body uses to form clots. This has raised theoretical concerns about bleeding risk, particularly around delivery.
During pregnancy, your body naturally shifts toward a more clot-friendly state, especially in the third trimester. This adaptation helps reduce bleeding during birth. The worry is that ginger could work against this protective shift. However, the UK’s Committee on Toxicity reviewed the evidence and concluded that the clinical significance of ginger’s anti-clotting effects during pregnancy “remains undetermined.” The handful of reported bleeding complications were mostly linked to ginger supplements taken alongside blood-thinning medications, not ginger tea on its own.
If you’re in your third trimester or approaching your due date, it’s reasonable to scale back on ginger tea. This is particularly relevant if you have a planned cesarean section or are taking any medications that affect blood clotting.
Common Side Effects
Even at safe doses, ginger tea can cause some mild discomfort. The most frequently reported side effects include:
- Heartburn: Ginger can relax the valve between your esophagus and stomach, which is already under pressure from pregnancy hormones and a growing uterus. If you’re already dealing with acid reflux, ginger tea may make it worse.
- Abdominal discomfort: Some women experience bloating, gas, or loose stools.
- Dizziness or drowsiness: Less common, but reported in clinical studies.
If you have irritable bowel syndrome or a history of stomach ulcers, ginger may aggravate those conditions. Starting with a weaker brew and seeing how your body reacts is a practical approach.
Medication Interactions to Watch
Ginger can interact with several types of medication. It may amplify the effects of blood-thinning drugs, making bleeding more likely. It can also influence blood pressure medications and, at high doses, lower blood sugar, which matters if you’re managing gestational diabetes with medication. These interactions are more of a concern with concentrated supplements than with tea, but if you’re on any of these medications, the combination is worth flagging with your provider before making ginger tea a daily habit.
Fresh Ginger vs. Tea Bags vs. Supplements
Not all ginger products deliver the same dose. A cup of tea made by steeping a few slices of fresh ginger root for 5 to 10 minutes gives you a relatively gentle dose with higher gingerol content. Commercial ginger tea bags vary widely depending on the brand, some containing pure ginger and others blended with other herbs. Check the ingredient list to make sure additional herbs are also pregnancy-safe.
Ginger supplements in capsule or extract form are far more concentrated and harder to dose precisely. Most of the safety concerns in the research literature, from bleeding episodes to drug interactions, involve supplements rather than food-based sources like tea. Sticking to ginger tea or fresh ginger in cooking keeps you comfortably within the range that clinical trials have tested and found safe.