Pregnancy: Popping noise in the belly — should you be concerned?

Written by Pierre Kadlub
Updated on 13 October 2026
Pregnancy Timeline
2 minutes

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During pregnancy, the body changes, adapts… and sometimes brings a few surprises. Among them, some women describe popping noises in their belly, sometimes subtle, sometimes more noticeable. Although this may seem unusual, it is most often a natural phenomenon associated with your baby’s development and the changes in your body. What can cause these popping sounds? Should you be concerned? When should you consult a professional?

*Pregnancy popping noise in the belly: let’s take a closer look.

Common causes of popping noises in the belly

During pregnancy, you may notice “popping” noises in your belly. Although usually harmless, these sounds can be intriguing. Here is an overview of the main causes.

Fetal hiccups and amniotic fluid regulation

One of the most common causes of popping noises in the belly during pregnancy is fetal hiccups. As early as the first trimester, your baby may experience hiccups, a natural phenomenon linked to the immaturity of their diaphragm. When your baby swallows amniotic fluid, their diaphragm contracts involuntarily, causing small jerks that you may perceive as pops or subtle clicking sounds.

These sounds are hard to describe. For some women, they feel like a slight trembling, while others experience a moderate jolt. With each hiccup, the baby inhales and expels fluid, helping exercise their respiratory muscles and supporting organ maturation. These rhythmic movements can sometimes be accompanied by small sounds, especially if your belly is tight or if the fetal position allows the sound to travel through the abdomen. This phenomenon is more common in the third trimester, when the baby takes up more space and their movements are more noticeable.

According to a study published in the journal “Physiological Measurement”, fetal hiccups appear as early as the 9th week after conception and are the predominant diaphragmatic movement before the 26th week of pregnancy.

Popping noises in the belly: other possible causes

In addition to hiccups, several other factors may explain popping sounds in your belly:

  • Your baby’s movements: kicks or position changes can create noises, especially when the baby bumps against the uterine wall. Sometimes these movements are strong enough to resemble a popping sound.
  • Uterine ligaments: under the influence of pregnancy hormones, ligaments and joints become more flexible to prepare for childbirth. This relaxation can generate small popping sounds, especially during sudden movements or position changes.
  • Intestinal gas: your digestive system is often disrupted during pregnancy due to hormones and the pressure exerted by the uterus on the abdomen. This can cause gas noises that are sometimes confused with your baby’s movements.

Want to learn more? Feel free to download the May app, where you’ll find plenty of resources to support and guide you throughout your pregnancy. Pregnancy: popping noise in the belly — should you be concerned? - May App Health

Should you be concerned about popping noises in the belly during pregnancy?

If popping noises in your belly are accompanied by other symptoms, it’s important to assess the situation. Here are the main signs that should prompt you to consult a gynecologist or midwife promptly:

  • Severe or persistent pain in the abdomen or uterus, especially if it interferes with your daily activities.
  • Vaginal bleeding, even minimal, at any stage of pregnancy.
  • Regular uterine contractions, especially before 37 weeks of pregnancy.
  • Abdominal cramps associated with vomiting, fever, or severe and unusual nausea.
  • Stomach pain accompanied by a general feeling of discomfort, fainting, or palpitations.
  • A decrease or stop in your baby’s movements, especially in the third trimester.

If you have doubts or if the sounds are accompanied by pain, bleeding, unusual uterine contractions, or any other concerning symptom, it is important to consult a healthcare professional. In summary, popping noises experienced during pregnancy are, in the vast majority of cases, natural and harmless phenomena.

They are most often explained by normal movements of your baby, such as fetal hiccups, or by the physical changes occurring in your body. Even if they may be surprising, these sounds are part of the range of experiences that can accompany pregnancy. The key is to stay attentive to your body. As long as these noises are not accompanied by unusual symptoms, there is generally no cause for concern.

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Photo credits: amazingmikael | kryzhov

This text was translated from French by an artificial intelligence. The information, advice, and sources it contains comply with French standards and may therefore not apply to your situation. Make sure to complement this reading by visiting the May US/UK app and consulting the healthcare professionals who are supporting you.


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