Feel a sudden, sharp jab on one or both sides of your belly when you stand up too fast, cough, or roll over in bed? That quick, catching pain is one of the most common pregnancy complaints, and it has a name: round ligament pain. It can be startling the first time it happens, but in most cases it is a normal part of your body adjusting to your growing baby, not a sign that something is wrong.
What Is Round Ligament Pain?
The round ligaments are two cord-like bands of tissue that run from the top of your uterus down into your groin on each side, helping to hold your uterus in place. As your uterus expands during the second trimester, these ligaments stretch and thicken to keep up, much like an elastic band being pulled further than usual. Quick movements can cause them to tighten suddenly, which is what produces that sharp, brief pain.
Round ligament pain most often shows up between weeks 14 and 24, though some women notice it earlier or later. It's typically described as:
- A sharp, stabbing sensation on one or both sides of the lower belly or groin
- Triggered by sudden movement: standing up, sneezing, coughing, laughing, or rolling over
- Lasting a few seconds to a few minutes
- Sometimes followed by a dull, achy feeling that fades with rest
Why Does It Happen?
Round ligament pain is simply mechanical stretching, not a sign of injury to your baby. Your uterus grows from about the size of a pear before pregnancy to filling most of your abdomen by the third trimester, and the round ligaments have to lengthen and thicken to support that change. Because one ligament may stretch more than the other depending on your baby's position, the pain is often felt more strongly on one side, commonly the right.
Common Triggers
- Getting up quickly from a chair, bed, or bath
- Sneezing or coughing without bracing first
- Exercising, especially twisting movements
- Rolling over in bed
- Standing for long periods
Easing Round Ligament Pain: Practical Tips
Most women find relief with simple, low-effort strategies. Consider trying:
- Move slowly and deliberately. Changing positions gradually, rather than jumping up, gives the ligaments time to adjust.
- Bend and support before you sneeze or laugh. Flexing your hips slightly can take some of the pull off the ligaments.
- Try gentle stretching. Slow, controlled stretches, such as a standing side reach or cat-cow on hands and knees, may help release tension (always check with your provider before starting a new stretch routine).
- Apply warmth. A warm (not hot) compress or heating pad on the area, and a warm bath, can relax tight muscles and ligaments.
- Consider a maternity support belt. A supportive band worn under the belly can gently offload some of the pull on the round ligaments, especially during activity or long periods on your feet.
- Rest on your side. Lying on your side with a pillow between your knees, or under your belly, can take pressure off the ligaments.
- Stay active in moderation. Light, low-impact movement like prenatal yoga or walking can keep muscles limber, but avoid sudden twists or heavy lifting.
When to Call Your Doctor or Midwife
Round ligament pain is usually harmless, but it's important to know the difference between normal stretching discomfort and something that needs medical attention. Contact your provider promptly if you experience:
- Severe or constant pain that doesn't ease with rest
- Pain accompanied by fever, chills, or vaginal bleeding
- Painful urination or unusual vaginal discharge
- Regular contractions, cramping, or lower back pain that could signal preterm labor
- Pain that feels different from the usual sharp, brief twinges
When in doubt, it's always best to call: your provider would rather reassure you than have you worry unnecessarily.
Frequently Asked Questions
When does round ligament pain usually start?
It most commonly begins in the second trimester, often between 14 and 24 weeks, as the uterus grows quickly and puts more stretch on the round ligaments. Some women notice mild twinges earlier.
Is round ligament pain a sign of a miscarriage?
No. Round ligament pain on its own is not linked to miscarriage. It's a normal musculoskeletal response to a growing uterus. However, any pain paired with bleeding or severe cramping should always be checked by your provider.
Can round ligament pain happen on both sides at once?
Yes, though it's more commonly felt on one side (often the right) at a time. Some women do feel it on both sides, especially as pregnancy progresses.
Does round ligament pain continue into the third trimester?
It can, though for many women it becomes less frequent as the body adjusts. New or worsening pain late in pregnancy should still be mentioned to your provider to rule out other causes.
Can exercise make round ligament pain worse?
Sudden or high-impact movements can trigger it, but gentle, pregnancy-safe exercise is generally encouraged and may even help by keeping muscles strong and flexible. Ease into movements slowly and avoid quick twists.
If back and belly discomfort is becoming a regular part of your day, our Maternity Support Belt is designed to gently cradle your growing bump and ease the pull on your round ligaments during daily activities.
This article is for general information only and is not medical advice. Always talk with your doctor or midwife about your own health and pregnancy.
Curious whether a bit of extra support could help your day-to-day comfort? Take a look at our maternity support belt below.
