Female Infertility: Signs, Causes and Tests in Australia

Female Infertility: Signs, Causes and Tests in Australia

Reading Time
13 min read
Updated On
May 1, 2026
f2f team

Written by

Fertility2Family Editorial Team

Evan Kurzyp

Medically reviewed by

Evan Kurzyp, RN, BSN, Master of Nursing

AHPRA registration: NMW0002424871

Female infertility describes difficulty achieving pregnancy when a female reproductive factor is present or suspected. No single symptom, home test or blood result identifies every cause. In Australia, assessment considers age, time trying, cycle history, symptoms and targeted investigations, with semen analysis usually started in parallel when a male partner contributes sperm.

About 1 in 6 Australian couples trying to conceive experience infertility. Many later achieve pregnancy with or without treatment. Assessment helps identify which questions are worth investigating next rather than treating one result as a verdict on fertility.

Quick answers about female infertility in Australia

What are the signs of infertility in women?

No single sign proves infertility. Irregular or absent periods, severe pelvic pain, pain during sex, previous pelvic infection or surgery, early-menopause symptoms and difficulty conceiving can justify assessment. Some people have no obvious symptoms.

When should female fertility testing start?

Seek assessment after 12 months of regular unprotected sex if under 35, after 6 months if 35 or older, and sooner if you are over 40, cycles are irregular or there is another known reason for earlier fertility review.

Is there one female fertility test?

No. Different tests assess ovulation, ovarian response, the uterus, fallopian tubes and pelvic disease. No blood panel can assess every factor, and semen analysis should usually begin in parallel when a male partner is contributing sperm.

Fertility consultation notes and clinical paperwork used during female infertility assessment in Australia
Female infertility assessment in Australia uses cycle history, symptoms and targeted fertility testing to guide the next steps.

Primary and secondary infertility explained

The World Health Organization defines infertility as failure to achieve pregnancy after 12 months of regular unprotected intercourse. Primary infertility means a pregnancy has never been achieved. Secondary infertility means difficulty conceiving after at least one previous pregnancy, regardless of its outcome.

Infertility and recurrent pregnancy loss are different clinical questions. In Australia, recurrent miscarriage means 2 or more miscarriages before 20 weeks and has its own assessment pathway. A person can experience infertility, recurrent loss or both.

Signs and symptoms of female infertility: when earlier assessment matters

You do not need to match a symptom checklist to have a useful conversation with a GP. Earlier assessment can be appropriate when you have:

  • absent or very irregular periods, or cycles consistently outside about 21 to 35 days;
  • severe period pain, persistent pelvic pain or pain during sex;
  • unexplained milky breast discharge, hot flushes or vaginal dryness;
  • features associated with polycystic ovary syndrome (PCOS), now also called polyendocrine metabolic ovarian syndrome (PMOS), such as irregular cycles with acne or increased facial or body hair;
  • a history of chlamydia, gonorrhoea, pelvic inflammatory disease, ectopic pregnancy or pelvic surgery;
  • known endometriosis, fibroids, premature ovarian insufficiency or another condition affecting fertility;
  • previous chemotherapy, pelvic radiotherapy or ovarian surgery; or
  • difficulty conceiving despite well-timed attempts.

Regular periods do not rule out tubal, uterine, pelvic or sperm factors, and irregular periods do not prove infertility. A clinician uses the whole pattern to choose the smallest useful set of investigations.

Common causes of female infertility

Ovulation and endocrine factors

Ovulation may be irregular or absent because of PCOS/PMOS, thyroid disease, high prolactin, hypothalamic causes associated with substantial weight change, illness or intensive exercise, or premature ovarian insufficiency. Tracking ovulation with PCOS or PMOS can help with cycle timing, while fertility testing should still follow the clinical question.

Age and ovarian factors

Age affects both the number of available eggs and the likelihood that an egg will lead to an ongoing pregnancy. AMH and antral follicle count can help predict ovarian response to stimulation, but they do not directly measure egg quality or reliably predict natural conception on their own.

Fallopian tube and pelvic factors

Fallopian tubes may be blocked or damaged after pelvic inflammatory disease, ectopic pregnancy, endometriosis or pelvic surgery. Pelvic inflammatory disease can cause few or no symptoms, yet repeated or untreated infection may lead to tubal scarring.

Endometriosis and adhesions can affect the tubes, ovaries, pelvic anatomy or the interaction between egg and sperm. A normal routine ultrasound does not exclude every form of endometriosis. Related symptoms and history are covered in endometriosis and ovulation pain and pelvic and intrauterine adhesions.

Uterine factors

Fibroids, polyps, uterine cavity differences, adenomyosis or scarring may affect implantation or treatment planning, depending on their size and location.

Combined and unexplained infertility

Female and male factors can occur together, so both partners should usually be assessed at the same time when a male partner contributes sperm. Unexplained infertility is diagnosed only after standard assessment has not identified a clear female or male factor. It means routine tests have not found one explanation.

When to seek fertility help in Australia

Seek assessment after 12 months of regular unprotected sex if you are under 35, or after 6 months if you are 35 or older. Earlier review is appropriate over 40, or when there are absent or very irregular periods, suspected endometriosis or tubal disease, known sperm concerns, sexual difficulties, previous cancer treatment or another established fertility risk.

A GP can begin the history and initial investigations, then refer when specialist assessment may change care. When to see a fertility specialist covers timing, while how to compare fertility specialists covers practical choices.

Female fertility tests: what each test can tell you

Each fertility test answers a different question, and no single result gives a complete picture.

Is ovulation likely?

Cycle history, appropriately timed progesterone or ultrasound may help. An app, LH surge, BBT chart or single result cannot confirm normal ovulation in every cycle.

How might the ovaries respond to treatment?

Age, AMH and antral follicle count are interpreted together. AMH does not measure egg quality or predict natural conception.

What do the uterus and ovaries look like?

Transvaginal ultrasound assesses anatomy, with cavity imaging added when needed. A routine scan may not show every cavity lesion, adhesion or superficial endometriosis focus.

Are the fallopian tubes open?

Hysterosalpingography or hysterosalpingo-contrast sonography assesses tubal patency. Patency does not prove normal tubal function or guarantee fertilisation.

Could pelvic disease be contributing?

History, examination, expert ultrasound or MRI, and selected laparoscopy may be used. A normal scan does not exclude every form of endometriosis or adhesion.

Could sperm be contributing?

Semen analysis usually starts in parallel when a male partner contributes sperm. One normal result cannot guarantee conception, and one abnormal result may need confirmation.

The sequence depends on age, symptoms, previous pregnancies, medical history and what each result would change. Current Australian guidance favours targeted, less invasive assessment before selected procedures.

Blood tests for infertility in women

There is no universal female fertility blood panel. Tests are selected for specific questions:

  • Progesterone: may support recent ovulation when timed about 7 days before the expected period, rather than automatically on day 21.
  • TSH and prolactin: may be useful when cycle history, symptoms or medicines suggest thyroid or prolactin disturbance.
  • FSH and oestradiol: may be used early in the cycle for selected ovarian reserve or amenorrhoea questions.
  • Androgen and metabolic tests: may be considered when PCOS/PMOS is suspected.
  • AMH: can help estimate ovarian response to stimulation but is not a pass-or-fail fertility result.

AMH and ovarian reserve explains why AMH needs clinical context, while luteal phase timing explains why progesterone timing follows the expected next period rather than a fixed cycle day.

Woman having a routine blood test during fertility assessment in Australia
Female fertility blood tests in Australia can assess ovulation and ovarian reserve.

Ultrasound, tubal tests and laparoscopy

Pelvic ultrasound can assess ovarian follicles, fibroids, some polyps, adenomyosis features, endometriomas and other anatomy. Saline sonography or hysteroscopy may be used when the uterine cavity needs closer assessment.

Hysterosalpingography uses X-ray contrast, while hysterosalpingo-contrast sonography uses ultrasound contrast to assess whether the tubes appear open. Laparoscopy is surgery and is not a routine first test for every person with unexplained infertility. It may be considered when pain, examination or imaging suggests endometriosis, adhesions or another condition likely to change management.

Clinician explaining pelvic ultrasound during female fertility assessment in Australia
Pelvic ultrasound and tubal testing can form part of female infertility assessment in Australia.

Which infertility tests are not routinely needed?

More testing is not always better. For unexplained infertility, the 2024 Australian guideline takes a conservative approach: routine laparoscopy or hysteroscopy, broad autoimmune testing and additional hormone or metabolic testing are not recommended without a specific indication. Before paying for an add-on, ask what question it answers, whether the result changes care, and whether a simpler or less invasive test can provide the information.

What home fertility tests can and cannot tell you

Ovulation predictor kits detect an LH rise and can help time sex. Basal body temperature can add retrospective evidence that ovulation may have occurred. Pregnancy tests detect hCG. None can diagnose female infertility, check the tubes or uterus, assess sperm or measure egg quality.

Commercial hormone panels can provide selected blood results, but more biomarkers do not automatically mean a better fertility assessment. Before paying, ask: What does this test assess, what can it not assess, and how would the result change care?

Woman tracking her menstrual cycle and ovulation at home
Ovulation tests support fertile-window timing but do not diagnose female infertility.

Female infertility treatment: options depend on the cause

Treatment depends on the cause, age, time trying, pregnancy goals and preferences. Options may include:

  • timed intercourse or expectant management when the outlook supports it;
  • treatment of relevant thyroid, prolactin, infection or other medical factors;
  • ovulation induction when ovulation is irregular or absent;
  • selected surgery when uterine, tubal, endometriosis or adhesion-related findings are likely to change management;
  • intrauterine insemination when the clinical circumstances are suitable; or
  • IVF when tubal, age, duration or previous-treatment factors support it, with ICSI mainly when sperm or fertilisation factors justify it.

IVF is not automatically the first or best treatment. For unexplained infertility, Australian guidance supports individualising expectant management, stimulated IUI and IVF according to prognosis, preferences, cost and feasibility, and does not favour routine ICSI over conventional IVF.

For next-step decisions, IUI costs and suitability in Australia and how to interpret IVF success rates provide practical Australian context.

Prepare for a first fertility appointment

Bring cycle dates, time trying, previous pregnancies and losses, pelvic or STI history, operations, medicines, family history and home test results. When a male partner contributes sperm, parallel assessment usually includes male fertility testing and semen analysis.

Useful questions include: What does each test answer? What can it not show? Would the result change treatment? What will it cost after any Medicare rebate, and when are results reviewed?

Couple discussing fertility test results and next steps with a clinician
Female infertility assessment in Australia may include both partners and targeted fertility testing.

Frequently Asked Questions about Female Infertility in Australia

Can regular periods rule out female infertility?

No. Regular cycles make regular ovulation more likely, but they do not show whether the tubes are open, the uterine cavity is normal, pelvic disease is present or sperm factors are contributing.

Can you still get pregnant after an infertility diagnosis?

Yes. Infertility describes difficulty achieving pregnancy, not always permanent sterility. Many people later conceive naturally or with treatment. The likelihood depends on age, cause, duration and other individual factors.

Does low AMH mean natural pregnancy is impossible?

No. AMH mainly helps estimate ovarian response to stimulation. It does not directly measure egg quality and should not be used alone to predict natural conception.

What is the difference between primary and secondary infertility?

Primary infertility means a pregnancy has never been achieved. Secondary infertility means difficulty conceiving after at least one previous pregnancy. Both deserve timely assessment when the relevant timeframe or another reason for earlier review applies.

Can an at-home fertility test tell me if I am infertile?

No. Ovulation tests, BBT charts and pregnancy tests answer limited timing questions. They cannot assess fallopian tubes, the uterine cavity, pelvic disease, egg quality or sperm, so they cannot diagnose infertility.

What does unexplained infertility mean?

It means standard assessment has not identified a clear female or male factor. It is a diagnosis of exclusion, not evidence that the problem is imagined, and treatment depends on prognosis and priorities.

Next Steps in Australia

If the usual timeframe has been reached or earlier assessment is appropriate, start with a GP or fertility review. Take cycle dates, time trying, relevant history, medicines and home tracking results. If a male partner contributes sperm, ask for parallel assessment. You do not need to arrange every test beforehand.

If you are still within the usual trying timeframe, home ovulation tracking can help with timing. Before paying for a fertility test, ask what it answers, what it cannot assess and whether the result would change care.

Last reviewed: 14 August 2026 Next scheduled review: August 2027

References

Fertility2Family articles are researched using Australian Government health guidance, professional clinical recommendations and peer-reviewed medical literature. The references below were used to research and medically review this article and provide additional reading for readers who want to read the evidence in more detail.

Healthdirect Australia Infertility Australian consumer guidance covering the definition, frequency, common causes, treatment options and recommended timeframes for seeking medical assessment for difficulty conceiving.

Pregnancy, Birth and Baby Fertility tests and treatments Australian public health information explaining female and male fertility investigations, the limitations of AMH testing and how treatment options depend on the identified cause.

World Health Organization Infertility Global fact sheet defining infertility, distinguishing primary from secondary infertility and outlining reproductive-system causes involving ovaries, uterus, fallopian tubes and endocrine function.

Fertility and Sterility Fertility evaluation of infertile women: a committee opinion (2021) Professional guidance on when to begin evaluation, parallel assessment of both partners, targeted ovulation testing, tubal assessment and investigations not recommended without a clinical indication.

Fertility and Sterility Testing and interpreting measures of ovarian reserve: a committee opinion (2020) Professional evidence review explaining that AMH and antral follicle count predict ovarian response better than natural conception, egg quality or live birth independently.

Monash University Australian Evidence-based Guideline for unexplained infertility Australian guideline resource addressing the standard diagnostic work-up and management of unexplained infertility after routine female and male investigations identify no clear cause.

Medical Journal of Australia Recommendations from the 2024 Australian evidence-based guideline for unexplained infertility: ADAPTE process from the ESHRE evidence-based guideline on unexplained infertility Peer-reviewed summary of NHMRC-approved Australian recommendations covering infertility definition, diagnostic work-up, ovulation, ovarian reserve, tubal, uterine and male factors, and treatment.

Australian Journal of General Practice Assessment of female fertility in the general practice setting Australian primary-care review describing fertility history, targeted ovulation and ovarian reserve assessment, pelvic imaging, tubal testing, preconception screening and referral considerations.

RANZCOG Australian Living Evidence Guideline: Endometriosis Current Australian living guideline supporting evidence-based diagnosis and management of endometriosis and adenomyosis, including when primary care or specialist assessment may be appropriate.

Monash University International Evidence-based Guideline for the Assessment and Management of Polycystic Ovary Syndrome 2023 International evidence-based guideline led from Australia covering assessment and management of polycystic ovary syndrome, including reproductive, endocrine and metabolic features affecting ovulation.

Healthdirect Australia Laparoscopy and dye test Australian procedure information explaining laparoscopy and dye testing, possible findings, risks and less invasive alternatives including hysterosalpingography and hysterosalpingo-contrast sonography.

Better Health Channel Pelvic inflammatory disease (PID) Victorian public health guidance explaining that pelvic inflammatory disease may be silent, can scar fallopian tubes and may contribute to infertility when untreated or recurrent.

Your Fertility How Age Matters For Your Fertility Australian fertility education explaining age-related changes in conception and assisted-reproduction outcomes, with practical advice on when to discuss delayed conception with a GP.

Pregnancy, Birth and Baby Recurrent miscarriage Australian consumer guidance defining recurrent miscarriage as two or more losses before 20 weeks and outlining assessment, possible causes, treatment and emotional support.

NSW Government If you are trying to get pregnant Australian government advice on factors affecting conception, standard timeframes for seeing a doctor and sources of emotional support while trying to become pregnant.

BJOG: An International Journal of Obstetrics and Gynaecology Attitudes, knowledge and practice regarding the anti-müllerian hormone test among general practitioners and reproductive specialists: A cross-sectional study Australian clinician survey showing knowledge gaps and unsupported AMH use, reinforcing the need to explain that the test cannot reliably predict natural conception or menopause.

Healthdirect Australia Polycystic ovarian syndrome (PCOS) Australian consumer guidance explaining PCOS symptoms, diagnosis and management, including the May 2026 name change to polyendocrine metabolic ovarian syndrome (PMOS).

The Lancet Polyendocrine metabolic ovarian syndrome, the new name for polycystic ovary syndrome: a multistep global consensus process 2026 global consensus paper describing the evidence-led renaming of PCOS to PMOS and the transition strategy designed to improve scientific accuracy, care and communication.

Pregnancy, Birth and Baby Pregnancy tests Australian consumer guidance explaining how pregnancy tests detect hCG, when home urine testing is most reliable, why false-negative results occur and when repeat testing or clinical advice may be needed.

Healthdirect Australia Premature and early menopause Australian consumer guidance on premature and early menopause, including oestrogen-deficiency symptoms, fertility implications, risk factors, diagnosis and when to seek medical advice.