Leaking During Pregnancy: What’s Normal And When To Call Your Provider

If you've ever stood up and thought, wait, did I just leak? You're definitely not alone. Many pregnant women have that exact moment of panic, wondering if it's urine, discharge, or something they should be calling their doctor about. First: take a breath. Leaking during pregnancy is really common, and more often than not, there's a totally normal explanation. But it's also worth knowing what to watch for, so you can tell the difference between no big deal and time to get checked out.

What leaking during pregnancy can be

The truth is, there are quite a few things that can cause that "did I just leak?" feeling during pregnancy. The most common culprit? Urine. Any pregnant person who has ever sneezed in public knows exactly what we're talking about. Dr. Brooke Vandermolen, an OB-GYN and author of Bloody Powerful, explains why: "The heavy growing uterus places direct pressure on the bladder, reducing its functional capacity, and pregnancy hormones—particularly relaxin—soften the ligaments and connective tissue supporting the pelvic floor." Together, she says, these changes mean the urethral sphincter can be overwhelmed by something as simple as a cough, a sneeze, or a laugh.

Normal vaginal discharge also increases during pregnancy and can feel a lot wetter than you're used to. Sweat is another one, especially since your body basically runs like a furnace for nine months. If you've recently had sex, semen can also be the source. In rarer cases, it could be amniotic fluid, which is why it's worth paying attention rather than just changing your underwear and moving on.

The context, timing, amount, smell, and sensation can all give you clues about what's actually going on, and we'll break those down as we go.

What can be normal, and what is less expected

Most leaking during pregnancy falls into the "totally normal, happens to a lot of us" category. Peeing a little when you sneeze, cough, laugh, or exercise? Very common, especially in the second and third trimester when the baby is really pressing down on your bladder. Extra vaginal discharge that's clear or white and doesn't smell off? Also normal. Your body produces more of it during pregnancy to help protect against infection.

What's a little less expected is leaking that feels different from the usual. If you notice a sudden gush of fluid, a steady trickle that keeps coming no matter what position you're in, or wetness that's watery and pale rather than the usual discharge texture, that's worth paying attention to. The same goes for any fluid that has an unusual smell, looks greenish or brownish, or comes with other symptoms like cramping, contractions, or reduced fetal movement.

The bottom line: some leaking is just part of pregnancy, and it can feel like a lot. Persistent, sudden, or unexplained fluid is your body's way of telling you to check in with your provider, and it's always okay to do that.

Signs it could be amniotic fluid

Amniotic fluid can be sneaky, and a lot of pregnant people are surprised to learn it isn't always a dramatic gush like you see in the movies. Sometimes it's much quieter than that. Dr. Vandermolen notes that the key distinguishing feature is that it keeps coming: "Amniotic fluid is typically clear and relatively odourless, and the feature that distinguishes it from the others is that it keeps coming when you sit, stand or move — rather than urine, which comes out mainly in certain positions." Here's what else to look for:

It keeps coming. Unlike urine, which leaks and then stops, amniotic fluid tends to keep flowing. If you notice ongoing wetness that doesn't let up when you change positions or use the bathroom, that's worth paying attention to.

It's watery and clear or pale yellow. Amniotic fluid is usually thin and watery rather than thick like discharge. It might be completely clear or have a very slight yellowish tint. If the fluid looks greenish, brownish, or has any colour to it, call your provider right away.

It doesn't smell like urine. This one can actually help you tell the difference. Amniotic fluid is generally odourless or has a very faint, slightly sweet smell, not the sharp smell of pee.

You feel a sudden gush. This is the version most people picture, and yes, it does happen. A sudden release of a larger amount of fluid, especially if it soaks through your underwear or clothing, means it's time to head to triage. As Dr. Vandermolen puts it: "If there's any possibility that what someone is leaking is amniotic fluid, speak to your midwife or doctor the same day."

Even people who have been pregnant before can find it genuinely hard to tell what's going on. If you're not sure, that's already reason enough to get checked out. You will not be bothering anyone.

When to call your provider right away

Some signs are your cue to stop Googling and pick up the phone, or head straight to triage. Call your provider or go to labour and delivery right away if you notice any of the following:

• A sudden gush of fluid that soaks through your underwear or clothing
• A steady trickle of watery fluid that doesn't stop
• Any bleeding or pink-tinged fluid
• Contractions or cramping, especially if they're coming regularly
• Fever or chills
• Fluid that looks green, brown, or cloudy
• Reduced fetal movement or your baby feels quieter than usual
• You just feel off, even if you can't explain why

That last one is worth saying again: if something feels wrong, trust that feeling. You know your body, and your instincts during pregnancy are worth listening to.

What happens when you get checked

If you head to triage or call your provider and they ask you to come in, try not to stress about it. Getting checked is a completely routine part of pregnancy care, and the process is usually pretty straightforward.

Your provider will likely start by asking you some questions about what you noticed, when it started, how much fluid there was, what it looked like, and whether you have any other symptoms. From there, they may do a physical exam and use a swab to test the fluid, which can help confirm whether it's amniotic fluid, urine, or discharge. In some cases, they may also do an ultrasound to check your amniotic fluid levels.

The whole thing is generally quick, and most of the time you'll leave with a clear answer and a lot more peace of mind. If it does turn out to be amniotic fluid, you'll be exactly where you need to be.

What you can actually do about it

Leaking during pregnancy can feel embarrassing, but it's manageable and treatable. Dr. Vandermolen points to pelvic floor exercises as the first line of defence: "The evidence is robust. A 2020 Cochrane review found that supervised pelvic floor muscle training reduced the likelihood of urinary incontinence in late pregnancy and postnatally." Reducing caffeine and emptying your bladder regularly can also help day to day.

As for whether it gets better after birth, for most people, yes. "For most people, symptoms improve significantly after delivery, particularly with consistent postnatal pelvic floor work," says Dr. Vandermolen. A smaller number of people, typically those who've had an instrumental delivery or significant perineal trauma, may experience ongoing symptoms, and a referral to a pelvic health physiotherapist or urogynecologist can make a real difference in those cases.

The bottom line

If you've made it to the end of this article because something felt off and you wanted answers, that's not overreacting — that's good instinct. Pregnancy comes with so many new sensations, and it's completely okay to not know what's normal yet. No provider, midwife, or triage nurse is going to judge you for coming in to get checked. That's literally what they're there for.

If something feels different, unusual, or just not quite right, trust yourself and make the call. The best-case scenario is that everything is fine and you leave with peace of mind — and that alone is always worth it.

Expert

Dr. Brooke Vandermolen MRCOG is an Obstetrics and Gynaecology doctor, mum of three, and the founder of The OBGYN Mum, an evidence-based platform dedicated to empowering women with accessible, reliable information on pregnancy, birth, fertility, and beyond. She is also the author of Bloody Powerful: The Taboo-Busting Guide to Women's Health (Cambridge University Press).