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Infertility usually refers to when a couple have been unable to conceive after 12 months of unprotected sexual intercourse. Sometimes, more broadly, the word refers to when a woman is unable to carry a pregnancy to term. Infertility affects about 15 in every 100 Australian couples of reproductive age.

There are many causes of infertility.  For about 2 in 5 couples it will be due to a sperm problem; in another 2 in 5 couples, there will be a problem with the woman's reproductive system. Sometimes it will be due to a combination of factors — or there will be no apparent cause.

If you are a woman, your fertility may be affected by:

Adult male fertility may be affected by:

  • problems with the tubes that connect to the testes
  • low sperm production
  • high numbers of abnormal sperm
  • genetic problems
  • problems with the sperm DNA

Follow the links below to find trusted information about infertility.

Last reviewed: May 2018

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Top results


Infertility can be a stressful and frustrating experience. Find out more on infertility.

Read more on Pregnancy, Birth & Baby website

Infertility treatment | Jean Hailes

There are many reasons a woman may have difficulty becoming pregnant. There are a number of things you can do to increase the likelihood of becoming pregnant including lifestyle changes, surgery, hormone treatment and Assisted Reproductive Technology (AR

Read more on Jean Hailes for Women's Health website

Male infertility -

Male infertility is a major factor in 30 to 50 per cent of couples having trouble conceiving. Male infertility usually results from low numbers of sperm or poor quality sperm.

Read more on myDr website

Fertility treatments

There are a number of fertility treatments that are available to both and your partner if you are struggling to fall pregnant.

Read more on Pregnancy, Birth & Baby website

Problems becoming pregnant

If you've been trying unsuccessfully to fall pregnant for a year or more, it's time to see your doctor.

Read more on Pregnancy, Birth & Baby website

Fertility tests

There are a number of tests that are available to determine your fertility.

Read more on Pregnancy, Birth & Baby website

Sperm Health | myVMC

Some known causes of male infertility include low sperm count or non-functioning sperm. Sperm health can be affected by several factors.

Read more on myVMC – Virtual Medical Centre website

Five causes of female infertility | Women's Health Queensland Wide

There are many reasons why women experience difficulty in conceiving. we discuss five common causes.

Read more on Women's Health Queensland website

Infertility information | myVMC

Infertility is the inability to conceive for 12 months despite having sex. It affects 8% of couples and has emotional and financial consequences.

Read more on myVMC – Virtual Medical Centre website

Male Infertility - Symptoms, Causes, Diagnosis, Treatment | Andrology Australia

Infertility is a widespread problem. For about one in five infertile couples the problem lies solely in the male partner (male infertility).

Read more on Andrology Australia website

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