If you've spent any time in pregnancy Facebook groups or down a late-night Google rabbit hole, you've probably come across raspberry leaf tea.

And if you found this blog because you typed "raspberry leaf tea pregnancy" into Google at 11pm, hi and welcome.

It's one of the most searched topics in pregnancy and also one of the most confusing. Some people swear by it for a smoother labour, others say it's dangerous. So much of the information online is shared with a lot of confidence and very little acknowledgement of what the research actually shows.

As a midwife working in the Australian hospital system, raspberry leaf tea is something I bring up with families all the time. I always explain what it is and what the evidence says, and then I leave the decision with them. Whether or not you drink it is completely your choice – my role is to make sure you have the information to make that choice with confidence.

I've also been on the other side of it all. In my first pregnancy I started drinking raspberry leaf tea from about 34 weeks and had it every single day. As someone who is not a tea drinker, I really struggled – I just didn't love the taste. In my second pregnancy I bought some with every intention of drinking it… and I think I had one cup.

So in this blog, I'm going to answer the questions I get asked most often about raspberry leaf tea in pregnancy, with the evidence-based answers you deserve – without the scaremongering or the hype.

In this post you'll discover:

✔️ What raspberry leaf tea is and how it's thought to work
✔️ What the research actually shows, including recent Australian studies
✔️ Whether it can bring on labour and whether it's safe
✔️ Who should avoid it, when to start and how much to drink
✔️ A simple checklist to help you make your own informed decision

Q1: What is raspberry leaf tea?

Raspberry leaf tea (also known as red raspberry leaf tea) is a traditional herbal remedy made from the dried leaves of the raspberry plant. It's the leaf that's used, not the raspberry fruit. It can be brewed as a tea or taken in tablet or capsule form.

Raspberry leaf has been used by pregnant women for centuries across many cultures and it's still one of the most widely used herbal remedies for pregnancy today. Here in Australia, a study published in 2026 found that 37% of the 561 pregnant women surveyed used raspberry leaf, making it the most commonly reported herb in the group.

What I found really interesting about that study was why women used it. The main reason was to help with an easier labour, but many women also described drinking it as a ritual – something that helped them feel empowered and part of their own preparation for birth.

And I love this, because that instinct to prepare is a good one.

Q2: How is raspberry leaf tea meant to work?

The core idea behind raspberry leaf is that it helps tone the uterine muscle – essentially preparing your uterus to work more efficiently when labour begins.

The thinking goes like this: the uterus is a smooth muscle and raspberry leaf is thought to help tone and regulate that type of muscle. A well-toned uterus may contract more effectively and efficiently during labour. Therefore, this could potentially result in a smoother, more coordinated labour.

Raspberry leaf has been a staple in traditional and herbal medicine for a long time, and many midwives, doulas, naturopaths and maternity care providers recommend it based on a combination of traditional use and anecdotal experience.

Women report using it for a whole range of reasons:

• To tone and prepare the uterus
• To potentially shorten labour
• Simply because it's something they can do proactively to feel prepared

You might notice the words I'm using here – thought to, may, potentially. That's intentional and it leads us straight into the big question.

Q3: Does raspberry leaf tea actually work?

Here's where it gets a little complicated. I want to be honest with you, because that's what you deserve.

Some research exists, but it's limited. Most of the studies are small, use varying doses and have significant limitations. We don't yet have the large, well-designed randomised controlled trial that would give us really definitive answers.

Here's a summary of the evidence we do have.

Laboratory studies

Early laboratory studies tested raspberry leaf extract directly on strips of uterine tissue (from rats and humans) and found it appeared to make contractions more regular.

However, it's important to remember that applying something directly to tissue in a lab is completely different from drinking a cup of tea and seeing what happens in your body. There are many steps between cup and uterus.

The randomised trial (Simpson et al, 2001)

This study involved 192 women having their first baby. Half took raspberry leaf tablets (2.4 g a day) from 32 weeks until birth and the other half took a placebo.

Overall, there were no statistically significant differences in labour outcomes between the two groups. The rate of instrumental birth (forceps or vacuum) was lower in the raspberry leaf group – 19.3% compared with 30.4% – and the researchers concluded that further studies using a higher dose were needed, as the dose used may have been too low to show an effect.

A review of the research (Bowman et al, 2021)

This systematic review looked at 13 studies on raspberry leaf in pregnancy, including laboratory, animal and human studies. The conclusion? The evidence supporting the use of raspberry leaf in pregnancy is weak and more research is needed.

The most recent Australian study (Bowman et al, 2024)

This is the most promising data we have to date. In this observational study of 91 first-time mums, the 44 women who used raspberry leaf had:

• Lower rates of labour augmentation (medication to speed labour up)
• Lower rates of epidurals
• Fewer instrumental births and caesareans
• Shorter labours across all phases
• Less blood loss after birth

Encouraging, right? But here's the important caveat. The study involved only 91 women, the women weren't randomly assigned to use raspberry leaf, and many of the participants were already leaning towards a physiological birth – which may have influenced the results. The researchers themselves stated that the results cannot be relied on or generalised to the wider population of pregnant women and that a randomised controlled trial is urgently needed.

So, does it work?

The bottom line is this: there is no robust evidence that raspberry leaf tea works and there is also no robust evidence of significant harm.

We are still very much in "we need more research" territory. And I know that can feel frustrating when you're looking for a clear answer.

Q4: Will raspberry leaf tea bring on labour?

This is one of the most common questions I'm asked, especially as families get closer to their due date.

Raspberry leaf tea is not a labour induction tool. Most women who use it are using it to prepare their body for labour, not to trigger labour itself.

So if you're getting close to (or past) your due date and hoping a few cups will get things moving, that's not what raspberry leaf is used for. Your midwife or doctor can talk you through your options at this stage of your pregnancy and it's a conversation well worth having.

Q5: Is raspberry leaf tea safe in pregnancy?

This is where the internet tends to either catastrophise or dismiss, so let's slow down and look at what we actually know.

The answer is: there's no strong human evidence of harm when raspberry leaf is used appropriately in late pregnancy. However, absence of evidence isn't the same as evidence of safety, because the studies needed to properly assess safety simply haven't been done at scale.

Even the researchers behind the 2024 Australian study, who didn't observe any safety concerns, were clear that this should not be taken as evidence that raspberry leaf is safe.

What about the link to caesareans?

You may have come across claims that raspberry leaf tea increases your chance of a caesarean. This comes from a small Norwegian study of just 34 women, included in the 2021 review, which found a higher caesarean rate among women who used raspberry leaf.

The reviewers questioned this finding because the study was so small and likely affected by selection bias. There's also a far more likely explanation: women with more complex pregnancies or difficult birth histories may be more likely to try raspberry leaf. This means the caesarean rates may reflect the complexity of those pregnancies, not the tea itself.

This is a really good example of why one small study just can't tell us the whole story and why it matters to look at who was in a study before drawing conclusions about what it means for you.

It's also why your own pregnancy and health history matter so much when it comes to deciding whether raspberry leaf is right for you, which brings us to our next question.

Q6: Who should avoid raspberry leaf tea?

Before you start raspberry leaf tea, please talk to your midwife or doctor first – especially if you have any pregnancy complications.

It's generally recommended that you avoid raspberry leaf if you have:

• A uterine scar (for example, from a previous caesarean or abdominal surgery)
• Placenta praevia
• A history of preterm birth

I also want to encourage you to tell your care team about any herbal remedies you're using, including teas. It's easy to think of a cup of tea as "just a tea", but your midwife or doctor can only give you the best advice when they have the full picture.

In the 2026 Australian study, 28 of the 46 women surveyed about raspberry leaf said their midwife had given them guidance on it, and none reported receiving advice from a doctor. So if nobody has brought it up with you yet, you're very welcome to be the one who starts the conversation.

Q7: When should I start raspberry leaf tea, and how much should I drink?

Most guidance recommends:

• Starting at 30–32 weeks of pregnancy
• Beginning with a small amount, such as one cup per day, and gradually increasing to 3–4 cups (or capsules) per day
• Reducing or stopping if you experience excessive Braxton Hicks contractions

Most of this guidance comes from Dr Denise Tiran, who has created an information leaflet on the topic.

In real life, what women actually do varies a lot. In the 2026 Australian study, most women started raspberry leaf at 36 weeks, but start times ranged anywhere from 8 to 38 weeks, and women were drinking anywhere from 1 to 6 cups a day. This shows just how inconsistent the advice out there can be.

For me, starting at around 34 weeks in my first pregnancy was what felt right at the time. If you do decide to try it, starting slowly and paying attention to how your body responds is key – and if your Braxton Hicks become uncomfortable or frequent, stop or reduce your intake and let your midwife or doctor know.

Q8: Tea, tablets or capsules – which is better?

There's no evidence that one form works better than another.

Tea is by far the most popular choice. In the 2026 Australian study, 84% of women who used raspberry leaf drank it as a tea, 9% took tablets and 7% used both. The 2001 randomised trial, on the other hand, used tablets, which make it easier to know exactly how much you're taking.

This is where my own experience comes in. As someone who isn't a tea drinker, having raspberry leaf tea every single day in my first pregnancy was a real effort – I just didn't love the taste. If that sounds like you, a tablet or capsule may be an easier option to stick with.

Whichever form you choose, check with your midwife or doctor about the product and dose that's right for you.

Your raspberry leaf tea decision checklist

If you're weighing up whether raspberry leaf tea is right for you, here's a simple checklist to work through:

• Have I spoken to my midwife or doctor?
• Am I past 30 weeks?
• Do I have any of the conditions listed above that mean I should avoid it?
• Am I planning to start gradually and monitor how my body responds?
• Do I understand that the evidence is limited and this is a personal choice?

And one more thing: be cautious of anyone online (including practitioners) who gives you a very definitive answer in either direction. The evidence doesn't currently support that level of certainty.

Want to feel truly prepared for birth?

Raspberry leaf tea is just one of the many topics that come up in the lead-up to birth, and it's a great example of why having access to evidence-based, judgement-free information matters so much.

If you want to feel calm and confident going into your birth – not just on this topic, but across all of it – my online course Empowered Birth covers everything from how labour actually works, to pain relief options, to how to advocate for yourself in the hospital system.

👉 Explore Empowered Birth here

Final thoughts on raspberry leaf tea in pregnancy

Raspberry leaf tea is one of those topics where the answer is: we don't know enough yet.

There's no strong evidence it works and we don't have strong evidence to say it's harmful. What we do have is a long history of traditional use, some promising early data and a clear need for better research.

I wish I could give you a clear yes or no, but this is one of those topics that just isn't black and white.

What I can tell you is this: wanting to prepare your body for birth is a really lovely instinct. Whether that looks like a cup of raspberry leaf tea every day from 32 weeks, or deciding it isn't for you, what matters is that you're making the choice with full awareness of what we know and what we don't.

You do you.

And that's what this is all about. Informed choice. Your birth, your body, your decisions – always. 💕

Do you have questions about raspberry leaf tea or birth preparation? Drop them in the comments below, I'd love to help. And if you found this post useful, share it with a pregnant friend who's been down the same Google rabbit hole!

I'm here for you,
Tam xx