Can Red Raspberry Leaf Tea Help You Through Pregnancy and Labor?

Many pregnant people love drinking red raspberry leaf tea for all of its supposed benefits: Not only is it tasty, but it’s said to help your body prepare for labor, strengthening the uterine muscles, and (hopefully!) leading to a quicker, easier delivery.

“I drank it throughout my pregnancies, but would increase a couple of weeks before labor,” shares Natalie M., a mom of three in Maryland. “All of my labors were within six to eight hours, and I did them without any epidurals or interventions. I also drank it outside of pregnancy for hormonal support.”

But although midwives have recommended drinking red raspberry leaf tea during pregnancy since, well, forever, the scientific evidence on its benefits remains pretty minimal. And some providers warn of the tea’s risks and potential side effects—like contractions before you want them.

“Red raspberry leaf tea isn’t magic—it doesn’t reliably induce labor, and it’s not risk-free,” explains Dr. Andrea Braden, MD, IBCLC, medical director of the Atlanta Birth Center. “But it also hasn’t been clearly shown to be harmful when used cautiously later in pregnancy.” Aside from its potential uses for labor, it’s also said to support menstruation by helping reduce cramps.

If you’re pregnant and wondering if you should drink red raspberry leaf tea to speed things along, here’s everything you need to know.

Key Takeaways

• Red raspberry leaf tea is an herbal tea made from the leaves of the raspberry plant—not the fruit—and is commonly used in late pregnancy.
• There’s no strong evidence that red raspberry leaf tea induces labor or speeds dilation.
• Some small studies suggest raspberry leaf tea might influence uterine tone, but research is limited and mixed.
• Most providers recommend avoiding it in the first trimester due to theoretical concerns about uterine stimulation.
• If used, it’s typically started in the third trimester, but always check with your ob-gyn or midwife first.

Potential Raspberry Leaf Tea Benefits in Pregnancy

Drinking raspberry leaf tea during pregnancy is believed to strengthen and tone the uterus, potentially making contractions more efficient and reducing the need for medical interventions during delivery, explains Dr. Lauren Manaker, MS, RDN, a fertility-focused dietitian and author of The First-Time Mom’s Pregnancy Cookbook. Some pregnant people also use it to ease symptoms like morning sickness and cramping. “However, the scientific literature on these benefits remains mixed, and more robust research is needed,” Dr. Manaker adds.

Dr. Braden says the idea behind using raspberry leaf tea during pregnancy centers on how it may affect the uterine muscle. “It may influence uterine tone, potentially making contractions feel more coordinated once labor is already underway,” she explains. “Some small studies suggest differences like shorter pushing phases or less intervention, but it’s hard to know whether that’s the tea itself.”

Ellen Smead, CNM, a certified nurse-midwife at Pediatrix Medical Group in Atlanta, adds that animal studies have shown red raspberry leaf can both stimulate and relax smooth muscle. Since the uterus is a smooth muscle, the thinking is that the tea may help support it as the body prepares for labor—though high-quality human data remains limited.

Is Raspberry Leaf Tea Safe During Pregnancy?

“Women have been drinking red raspberry leaf tea for many years without documentation of harmful results or adverse events,” points out Smead.

But long-standing use doesn’t necessarily equal proven safety. “We don’t have strong evidence that red raspberry leaf tea is harmful when used later in pregnancy, but we also don’t have high-quality data proving it’s safe,” says Dr. Braden.

Smead agrees there are still “some unknowns” regarding safety. “It has certainly been used and recommended by midwives and birth attendants for centuries, but the research data is limited for our current day and age,” she says. Because red raspberry leaf tea during pregnancy is considered complementary or alternative medicine, it’s not regulated by the U.S. Food and Drug Administration (FDA), so dosing and product consistency can vary.

Potential Risks and Side Effects of Raspberry Leaf Tea in Pregnancy

“Some women may experience an increase in Braxton Hicks contractions after consuming the tea, leading to discomfort or anxiety,” Dr. Manaker says. Other reported side effects include changes in bowel movements and mild diuretic effects.

Dr. Alyssa Dweck, MD, an ob-gyn and medical advisor for Intimina, notes that red raspberry leaf tea can act as a laxative. While that may help if you’re constipated during pregnancy, intestinal irritation and dehydration could potentially trigger uterine contractions. “Caution is advised,” she says.

Dr. Braden says her primary concern is the unpredictability of its effects on the uterus—especially earlier in pregnancy—along with the lack of standardized dosing and quality control in herbal supplements. Because these products aren’t tightly regulated, potency can vary between brands.

Smead adds that since raspberry leaf has been shown in laboratory studies to both stimulate and relax smooth muscle, there’s a possible risk it could contribute to uterine activity in some people, including preterm contractions.

There have also been case reports suggesting red raspberry leaf may affect blood glucose levels, which is particularly important for those managing gestational diabetes.

When Should Red Raspberry Leaf Tea Be Avoided During Pregnancy?

Experts generally advise caution with red raspberry leaf tea early in pregnancy and in certain higher-risk situations. “Most providers are more cautious in the first trimester, when the uterus is more sensitive and we have the least safety data,” explains Dr. Braden.

Dr. Manaker adds that while opinions vary among providers, many recommend avoiding it in the first trimester due to possible uterine stimulation. “There are differing opinions on the consumption of red raspberry leaf tea during the first trimester of pregnancy, mainly due to concerns about potential miscarriage,” she says. However, research linking raspberry leaf tea to miscarriage is limited, and much of the concern remains precautionary.

Dr. Braden also says she’s more cautious about red raspberry leaf tea in higher-risk pregnancies. She typically advises avoiding it if you have a history of preterm labor, unexplained bleeding, placental complications or other conditions where uterine stimulation could pose a risk.

When Can You Start Drinking Raspberry Leaf Tea in Pregnancy?

If you choose to try red raspberry leaf tea during your pregnancy, many providers suggest waiting until the third trimester. However, there’s no universal guideline for when to start. Because research on safety and effectiveness is limited, recommendations vary based on a provider’s comfort level and individual pregnancy risk factors.

Dr. Braden notes that timing matters, as the uterus becomes more responsive to labor hormones closer to term; any potential effects would be more likely later in pregnancy, when the body is already preparing for labor.

How Much Red Raspberry Leaf Tea Can You Drink in Pregnancy?

There’s no standardized or evidence-based dosing for red raspberry leaf tea during pregnancy. Since it’s considered an herbal supplement, not a regulated medication, guidelines on how much to drink can vary.

Dr. Braden says research on dosing is limited and the best study looking at raspberry leaf actually used tablets, not tea. If someone is interested in trying it, she recommends keeping expectations realistic. “If someone really wants to try it, I suggest waiting until at least 39 weeks and keeping it gentle, like one or two cups a day,” she says. “But I also set expectations that we don’t have strong proof it meaningfully changes labor.”

Since formal dosing guidelines don’t exist, many providers suggest starting slowly if you choose to drink red raspberry leaf tea late in pregnancy. This may mean beginning with a small amount and monitoring how your body responds.

Does Raspberry Leaf Tea Induce Labor?

Drinking red raspberry leaf tea while pregnant is pretty unlikely to naturally induce labor. Experts say there’s just not enough research to support this—although, again, it could theoretically stimulate the uterus to contract more.

That said, a 2023 review of studies found no positive effects on the labor process, and, in fact, suggests that raspberry leaf “can negatively affect the cervical ripening.”

Part of the confusion comes from the idea that raspberry leaf may affect uterine smooth muscle activity, potentially influencing uterine tone once labor is already underway. But that’s different from actually triggering labor. If the tea has any effect at all, Dr. Braden says it’d likely only matter when the body is already close to spontaneous labor.

When labor needs to be induced, providers typically rely on evidence-based methods such as membrane sweeps, medications or other supervised approaches.

Safer Alternatives to Try

If you’re hoping to encourage labor naturally, experts say most strategies only work when your body is already close to going into labor on its own. If the body isn’t biologically ready, most natural labor induction methods won’t do much. That said, there are some options that are generally considered safe to try at term in a low-risk pregnancy. These include:

• Eating spicy foods
• Walking
• Sex
• Eating dates
• Acupuncture
• Acupressure
• Nipple stimulation

Of course, none of these methods are guaranteed to start labor. If induction becomes medically necessary, providers may recommend evidence-based approaches or induction. As always, talk with your provider before trying any method to start labor at home.

To Sum It Up

Sipping an occasional cup of red raspberry leaf tea while you’re pregnant is likely harmless. While it’s not clinically proven to be effective at inducing or expediting labor, many moms claim it got things moving for them. In any case, it’s important to check in with your doctor. “As with any herbal supplement or medication, there can be interactions with use, so it’s important to talk to your [provider] about all medications and supplements you may be taking or considering taking,” adds Smead.

How We Developed This Article

This article was first published in 2018, and updated in 2021, 2023, 2024 and 2026. We spoke with three ob-gyns as well as a certified nurse midwife to learn more about using red raspberry leaf tea during pregnancy. We also found research through various government and academic sources, including the U.S. Department of Agriculture Forest Service, the Journal of Midwifery & Women’s Health and Obstetrics & Gynecology. We spoke to a mom of three about her experience. Finally, this article was fact-checked and medically reviewed through our thorough editorial and medical review process.

About the author: Sarah Bradley is a freelance writer from Connecticut, where she lives with her husband and three sons. Since 2017, she has been combining her love of writing with her parenting experience, writing personal essays, product reviews and reported features for a number of online parenting and health publications. Because she homeschools her three boys, works part-time from home and helps her husband run a small side gig, her life is never, ever boring.

Please note: The Bump and the materials and information it contains are not intended to, and do not constitute, medical or other health advice or diagnosis and should not be used as such. You should always consult with a qualified physician or health professional about your specific circumstances.