Pregnancy and Hiatal Hernia: Causes, Symptoms, and Safe Treatment

Pregnancy and Hiatal Hernia: Causes, Symptoms, and Safe Treatment


Overview

If you are pregnant and dealing with heartburn, throat clearing, or breathing changes, you may be wondering whether pregnancy caused a hiatal hernia or triggered symptoms of acid reflux. In this article, you will learn why pregnancy increases the risk, which symptoms to watch for, what is safe during pregnancy, and practical next steps for acid reflux, GERD, and hiatal hernia treatment.

Why pregnancy increases the risk of hiatal hernia

Two main factors during pregnancy make you more susceptible to a hiatal hernia and reflux symptoms.
  • Increased abdominal pressure - As the baby grows, your abdominal cavity has to make room. That upward and lateral pressure can push the stomach and the top of the stomach through the hiatus in the diaphragm, increasing the chance of a sliding hiatal hernia and worsening reflux.
  • Hormonal laxity of connective tissues - Pregnancy hormones loosen tendons, ligaments, and muscles to allow the belly to stretch and the pelvis to accommodate delivery. That same laxity affects the diaphragm and the ligaments that anchor the stomach, making it easier for a hiatal hernia to develop or for existing weakness to worsen.

Events that can trigger a hernia during pregnancy

Straining with constipation, heavy lifting, or intense coughing during pregnancy increases intra-abdominal pressure and can precipitate a hiatal hernia. Even bending and picking up items can be enough when tissues are more lax.
Increased abdominal pressure and loosened ligaments together raise your chances of developing hiatal hernia symptoms like heartburn, difficulty breathing, or a lump in the throat.

Common symptoms to watch for

Symptoms of a hiatal hernia often overlap with reflux and GERD. You may notice one or more of the following:
  • Frequent heartburn or acid regurgitation
  • Chest congestion or throat congestion, especially in the morning
  • Difficulty swallowing or a sensation of a lump in the throat
  • Shortness of breath or feeling of pressure in the chest
  • Metallic taste, chronic cough, or silent laryngopharyngeal reflux symptoms

What you can do during pregnancy

If you are pregnant and experiencing reflux or hiatal hernia symptoms, you should know that some devices and treatments are restricted during pregnancy. The reflux shield device is considered safe only in the first trimester. If you are in the second or third trimester, you should wait until after delivery to use it.
Medication decisions are personal and should be made with your obstetrician. If you prefer to avoid medications, you can try conservative measures such as elevating the head of the bed, avoiding large meals, eating earlier in the evening, and managing constipation to reduce straining.

After you give birth

After delivery, symptoms may persist for a while. Pregnancy hormones take time to normalize, and connective tissue laxity can remain. Once you have recovered, you can consider targeted hiatal hernia and acid reflux, GERD, hiatal hernia treatment options, including manual therapies, positional devices, medical management, and referral for diagnostic testing if symptoms are severe or persistent.

Next steps and when to seek care

  1. Discuss symptoms with your primary care provider or obstetrician to rule out urgent causes.
  2. If symptoms are mild, try dietary and positional changes and treat constipation proactively.
  3. If symptoms continue after delivery, consider evaluation for hiatal hernia and formal acid reflux, GERD, hiatal hernia treatment options with a specialist.


FAQ

Can pregnancy cause a new hiatal hernia or only make an existing one worse?

Pregnancy can both reveal a pre-existing weakness and cause a new hiatal hernia. Increased abdominal pressure and looser connective tissue during pregnancy raise the likelihood of developing a hiatal hernia or worsening symptoms of one that was previously asymptomatic.

Is it safe to use the reflux shield while pregnant?

The reflux shield is considered safe only during trimester 1. If you are in trimester 2 or 3, you should wait until after birth before using the device. Always confirm with your healthcare provider before trying any new treatment during pregnancy.

Should you take antacids or reflux medications during pregnancy?

Medication decisions are individual. Some people avoid medications during pregnancy while others use them under medical guidance. Discuss risks and benefits with your obstetrician before starting or stopping any medication.

What conservative measures can reduce reflux during pregnancy?

Try eating smaller meals, avoiding late-night meals, elevating the head of your bed, avoiding trigger foods, treating constipation, and avoiding heavy lifting or straining. These steps can lower intra-abdominal pressure and reduce reflux symptoms.

When should you seek specialist evaluation?

See a specialist if you have severe heartburn, difficulty swallowing, chest pain, unexplained weight loss, or symptoms that do not improve after delivery. Diagnostic testing and targeted treatment for acid reflux, GERD, and hiatal hernia may be necessary.
Back to blog