You can ask for fertility advice whenever you are concerned. Many guidelines use 12 months of regular sex without pregnancy when the person providing the egg is under 35. They use 6 months from age 35. Ask sooner if periods are absent or very irregular. Age over 40 or another known concern also calls for early advice.

These time points guide care; they are not a judgement or a promise about your future.

What does “trying” mean for timing?

Guidance often refers to regular vaginal sex without a method used to avoid pregnancy. Real lives are more varied. Some people use donor sperm or have sex less often. Some are in same-sex relationships or plan to parent alone. Others need clinical help from the start.

WHO uses 12 months or more of regular sex without pregnancy in its definition. It also notes that many types of people may need fertility care.

Tell the clinician how you are trying and for how long. The aim is to choose useful next steps, not make your situation fit one narrow route.

When may an earlier review help?

Ask sooner when any of these apply:

• Periods are absent, very irregular, or far apart.
• You have known or suspected PCOS or endometriosis.
• You have severe pelvic pain or a history of pelvic infection.
• You or a partner have had pelvic, ovarian, testicular, or cancer-related care that may affect fertility.
• A semen concern is already known.
• You have had repeated pregnancy loss.
• The person providing the egg is over 40.
• A medicine or long-term condition may affect pregnancy planning.

You do not need to wait a set number of months when a concern is known. Does PCOS apply? Read PCOS and fertility. For endometriosis, read endometriosis and fertility.

What happens at an initial fertility review?

A clinician may ask about:

• How long and how often you have been trying.
• Periods, ovulation signs, and past pregnancies.
• Pelvic pain, surgery, infection, or other health issues.
• Medicines, supplements, smoking, alcohol, and drug use.
• Sexual health and any difficulty having sex.
• Family history and fertility goals.
• Sperm health when sperm is part of conception.

ACOG explains that both partners may need a review. Checks may include a semen test, blood tests, or an ultrasound. Ovulation, the uterus, and the fallopian tubes may also be checked. Not everyone needs every test.

How should age be discussed?

Fertility changes with age, but age does not predict one person's outcome. Ask the clinician to explain how age affects the timing of your review and which choices are relevant now.

Avoid online tools that give a personal chance from age alone. They cannot include egg and sperm health. They may also miss the fallopian tubes, health history, and other factors.

What should you bring?

A short summary is enough:

• When you began trying.
• Several period start dates, if available.
• Pregnancy and pregnancy-loss history.
• Current medicines and supplements.
• Relevant test or surgery records.
• Known health concerns for each partner.
• Your goals, limits, and main questions.

The trying-to-conceive guide has useful steps. A preconception appointment may help too. It can cover medicines and vaccines. Long-term health also matters.

Do you need perfect ovulation tracking first?

No. Do not delay care to collect months of data. Period dates can be useful, but an app estimate cannot confirm ovulation or rule out a fertility concern.

Calendar ranges are not exact. The fertile-window guide explains why. Irregular cycles add more doubt.

These dates support conception planning and awareness. They are estimates, not a reliable way to avoid pregnancy.

Look after emotional well-being

Fertility uncertainty can bring grief, anger, shame, or relationship strain. These feelings are valid. Ask for emotional support before the stress becomes a crisis.

Set limits around testing, tracking, or questions from others. Ask the care team to explain the plan, likely timeline, costs, and who to contact between visits.

When to see a doctor

Seek advice after the usual time frame for your age, or sooner for any known concern. Contact a clinician if periods stop, pelvic pain is severe, sex is painful, or a medicine needs review before pregnancy.

After a positive pregnancy test, seek advice for pain or bleeding.

Seek care now: Get urgent medical help for severe one-sided pelvic or abdominal pain, shoulder-tip pain, fainting, severe dizziness, or heavy bleeding when pregnancy is possible. Contact local emergency services or go to the nearest emergency department.

Frequently asked questions

Must both partners attend the first visit?

Not always, but information and checks from both may be important when egg and sperm are part of conception.

Should irregular periods be reviewed earlier?

Yes. They may make ovulation less predictable and can be a reason to seek advice sooner.

Do I need to track basal temperature first?

No. Bring any record you already have, but do not delay a review to create one.

Does a referral mean IVF is the next step?

No. The next step depends on the history, findings, goals, access, and preferences.