Your pelvic floor in pregnancy
Short answer
Pregnancy hormones soften the pelvic floor while the growing baby adds weight on top, so leaking when you cough or sneeze is common. Daily pelvic floor exercises during pregnancy reduce the chance of leaking both now and after birth. Persistent pain, heavy pressure or leaking that does not improve deserves a referral to a pelvic health physical therapist.
- Leaking a little urine is common in pregnancy, and usually improves.
- Pelvic floor exercises during pregnancy lower the risk of postpartum leaking.
- Squeezing and fully relaxing both matter.
- Pelvic girdle pain is common and treatable with physical therapy.
Why does pregnancy strain the pelvic floor?
The pelvic floor is a sling of muscles across the bottom of the pelvis. It holds up the bladder, uterus and bowel and helps keep you continent. In pregnancy two things happen at once:
- Load goes up. The weight of the baby, placenta and fluid presses down on the muscles every time you stand, walk or cough.
- Tissues soften. Pregnancy hormones such as relaxin make ligaments and connective tissue more stretchy to prepare for birth.
Constipation, a persistent cough and heavy lifting add extra downward pressure. The result for many people is some stress incontinence: small leaks with coughing, sneezing, laughing or jumping.
What symptoms are common?
| Symptom | Common in pregnancy? | What helps |
|---|---|---|
| Small leaks with cough or sneeze | Yes | Pelvic floor exercises, "the knack" (squeeze before you cough) |
| Needing to pee more often | Yes, especially early and late | Steady fluid intake, avoid big amounts of caffeine |
| Pelvic girdle pain (front or back of pelvis) | Yes, around 1 in 5 | Physical therapy, pacing, keeping knees together when moving |
| Vaginal heaviness or bulge | Less common | Assessment by a clinician or pelvic health physical therapist |
| Pain or burning when peeing | No | See a clinician the same day |
How do you do pelvic floor exercises properly?
The pelvic floor timer can guide you through a session. The basics:
- Find the muscles. Imagine stopping yourself passing gas and holding in pee at the same time. You should feel a squeeze and a gentle lift inside. Your buttocks, thighs and belly should stay mostly relaxed.
- Slow holds. Squeeze and lift, hold for up to 10 seconds, then fully let go for the same time. Aim for up to 10 repetitions.
- Quick squeezes. Squeeze and let go quickly, up to 10 times. These help with sudden pressure like a sneeze.
- Relax completely between each. A muscle that never lets go gets tired and can cause pain.
- Repeat three times a day. Lying on your side is often easiest later in pregnancy. Avoid lying flat on your back for long periods after the first trimester.
Do not practice by stopping your flow on the toilet. It can interfere with normal bladder emptying.
Common mistakes are holding your breath, squeezing the buttocks or thighs instead, and pushing down rather than lifting up. If you are unsure, place a hand on your perineum: you should feel a slight lift away from your hand when you squeeze, not a bulge toward it. Many people find it easier to remember the exercises by linking them to a daily habit, such as brushing teeth or feeding a toddler.
What else protects the pelvic floor?
- Stay active. Walking, swimming and pregnancy-adapted strength work are recommended for most pregnancies.
- Prevent constipation. Fiber, fluids and not straining reduce pressure.
- Use the knack. Squeeze your pelvic floor just before a cough, sneeze or lift.
- Breathe out on effort. Exhale as you stand up or lift, rather than holding your breath.
- Practice relaxing. Toward the end of pregnancy, focus on the release phase. Some people also learn perineal massage from about 34 weeks; ask your midwife or doctor.
Is it OK to keep exercising?
For most uncomplicated pregnancies, yes. Regular moderate activity is recommended throughout pregnancy, and it does not harm the pelvic floor when it feels comfortable. Some adjustments help:
- Lower the impact if you leak. Swap running or jumping for brisk walking, cycling or swimming for a while.
- Watch for doming. If a ridge appears down the middle of your belly when you sit up or lift, change the movement. Roll to your side to get up.
- Reduce heavy lifting and breath-holding. Lighter weights with more repetitions place less downward pressure on the pelvic floor.
- Stop and seek advice if you get vaginal bleeding, fluid leaking, regular painful contractions, chest pain, dizziness or calf pain and swelling.
If your pregnancy has complications such as placenta previa or a risk of preterm labor, ask your clinician which activities are safe for you.
When should you see a pelvic health physical therapist?
You do not need to wait until after birth. Ask for a referral, or see how to find a pelvic floor therapist, if:
- leaking is getting worse or affecting daily life,
- you cannot feel the muscles working,
- you have pelvic girdle pain that limits walking or sleep,
- you notice heaviness or a bulge that might be pelvic organ prolapse.
A therapist can check your technique, often with your consent through a gentle internal exam, and tailor exercises to your stage of pregnancy. Treatment now makes recovery after birth easier, which is covered in postpartum recovery.
Quick questions
Is it too late to start pelvic floor exercises in the third trimester?
No. Starting at any point in pregnancy helps, and the habit carries straight into recovery after birth. Even a few weeks of regular practice can improve control. Focus on doing them correctly rather than doing a lot of them.
Can pelvic floor exercises make labor harder?
There is no good evidence that a trained pelvic floor makes labor longer or harder. Learning to relax the muscles fully, not just squeeze, is part of good training and is useful during pushing.
Is leaking in pregnancy a sign something is wrong?
Small leaks with coughing, sneezing or laughing are very common and usually not a sign of a problem. Leaking with urgency, burning or a constant trickle should be checked, because it may be an infection or amniotic fluid.