beginning of content

How endometriosis affects pregnancy

6-minute read

Key facts

  • Endometriosis is when the tissue that lines your uterus (womb) grows outside of your uterus.
  • Endometriosis affects 1 in 9 people and can sometimes cause painful symptoms.
  • About 1 in 3 people with endometriosis will have trouble getting pregnant.
  • If you have endometriosis and are having trouble falling pregnant, talk to your doctor about your options.

What is endometriosis?

Endometriosis is a chronic (long-term) condition. If you have endometriosis, tissue like that lining your uterus grows outside your uterus.

This tissue can grow around your:

This can cause scarring around these areas.

The endometrial tissue can also break down and bleed when you have your periods. This break down involves inflammation, which can be painful.

Endometriosis is a condition that affects about 1 in 9 females before the age of 44 years. Some people can have endometriosis and not know it, but for others it can cause severe symptoms.

What are the symptoms of endometriosis?

Some of the symptoms of endometriosis are:

What causes endometriosis?

The cause of endometriosis is not fully understood.

You may have a higher likelihood of having endometriosis if a close relative also has it.

When should I see my doctor?

Visit your doctor if you:

FIND A HEALTH SERVICE — The Service Finder can help you find doctors, pharmacies, hospitals and other health services.

How is endometriosis diagnosed?

To diagnose endometriosis, your doctor will ask you about your symptoms. They may also do a physical examination and arrange for an ultrasound.

Your doctor can also refer you for treatment from a:

You may also need to have a laparoscopy.

A laparoscopy is keyhole surgery that lets a doctor look inside your abdomen. Your doctor will look for endometriosis and take a biopsy (sample) to confirm your diagnosis.

How is endometriosis treated?

Endometriosis is usually be treated with hormone-based treatment. This helps to regulate oestrogen to:

These therapies are usually contraceptive and prevent pregnancy.

If you have endometriosis, you can also have surgery to remove the tissue.

Endometriosis symptoms are usually eased by using pain relief.

If your endometriosis does not cause you symptoms, you may not need treatment.

Can endometriosis be prevented?

Endometriosis can't be prevented but staying healthy might help with your symptoms. Things that can help you manage pain include:

Complications of endometriosis

Endometriosis may affect your ability to get pregnant.

How can endometriosis affect my fertility?

Many women with endometriosis fall pregnant naturally. But about one in three women with endometriosis have trouble getting pregnant.

To get pregnant, an egg needs to be released from one of your ovaries. The egg then needs to travel through the fallopian tube. Most eggs are fertilised by sperm in one of the fallopian tubes. The fertilised egg then needs to attach to the lining of the uterus.

Endometriosis may prevent a pregnancy because the extra tissue may:

Endometriosis might also produce chemicals that interfere with the hormones that are needed to become pregnant.

Although it can be harder to get pregnant, most people with endometriosis are still able to have children.

How can endometriosis affect pregnancy?

Research looking at the effect of endometriosis on pregnancy hasn’t clearly shown any complications or risks during pregnancy.

Some studies say that endometriosis does not have a big effect on pregnancy. Other studies say that endometriosis might increase the risk of complications such as a miscarriage.

The hormones produced by endometriosis may also impact the hormones needed for the embryo to develop.

Most people with endometriosis will have a normal pregnancy. Extra monitoring is usually not recommended, but this is something to discuss with your doctor.

Read more about staying healthy while you are pregnant.

During pregnancy, endometriosis can improve but it often comes back later and may cause problems becoming pregnant again.

Resources and support

In Australia, endometriosis and pelvic pain clinics are now being established and funded by the Department of Health and Aged Care. You can visit their website to find a clinic near you.

You can also visit the Endometriosis Australia website to:

For further information about endometriosis, you can visit:

Speak to a maternal child health nurse

Call Pregnancy, Birth and Baby to speak to a maternal child health nurse on 1800 882 436 or video call. Available 7am to midnight (AET), 7 days a week.

Check your symptoms Find a health service

Need further advice or guidance from our maternal child health nurses?

Need further advice or guidance from our maternal child health nurses?

1800 882 436

Video call