Knowing, Not Checking

Before Anything Else

Most of what's written about breast cancer in October is designed to make you act. This isn't that.

This feature exists to make one thing simple: knowing which of two things applies to you, and when. Australia has two separate ways of finding breast cancer early. One is routine screening — a mammogram offered to women who have no symptoms at all, on a schedule that doesn't depend on how you feel. The other is a conversation with your GP, prompted by a change you've noticed, that can happen at any age, any time, regardless of when your next mammogram is due.

Most of the confusion — and most of the anxiety — comes from mixing the two up. Waiting for a screening invitation when something feels different. Or panicking over a change that turns out to be one of the many ordinary things breasts do.

This guide isn't about teaching you a technique. It's about helping you know what's normal for you, understand which pathway applies when, and feel less alone in the moment you decide to mention something.

Knowing What's Normal For You

For a long time, women were taught to check their breasts a certain way, on a certain day, using a certain method. That advice has changed. Australian health bodies now talk about breast awareness instead — and it's a genuinely simpler idea.

Breast awareness just means knowing what's normal for you. Not what's normal for breasts in general, or for a diagram, or for the woman next to you — for yours, specifically, as they are now. Breasts change constantly. They can feel different across your cycle, during pregnancy and breastfeeding, through perimenopause and after. Many women have breasts that are naturally lumpy, uneven, or one noticeably different from the other — and that's simply how their breasts are, not a sign of anything wrong.

There's no right way to get familiar with this. You might notice things in the shower, getting dressed, or lying in bed. There's no method to follow and no schedule to keep. The only aim is to have a general sense of what's usual for you, so that if something is genuinely different, you're in a position to notice it — not because you're checking for a problem, but because you already know your own body.

Two Different Reasons to See Someone

In Australia, breast cancer is found two different ways, and it helps to know which one you're in.

Routine screening is for women who have no symptoms at all. Through BreastScreen Australia, women aged 40 and over can access a free mammogram every two years, and women aged 50 to 74 are actively invited to attend. Screening exists precisely to look for cancers too small to see or feel — it's not designed to investigate something you've already noticed.

Investigating a symptom is different, and it isn't tied to your screening schedule at all. If you notice a change in your breast — at 28 or 68, six months after your last mammogram or six years before your next one — the right next step is a conversation with your GP, not waiting for your next screening appointment. Your GP can examine you and, if needed, refer you for diagnostic assessment, which follows a different process from population screening — one built specifically around your history, your examination, and the change you've noticed.

Neither pathway replaces the other. Being “not due yet” for screening doesn't mean there's nothing to raise. And a recent clear mammogram doesn't mean a new change can be safely ignored until your next one.

What's Worth Mentioning

You don't need to interpret anything. If something feels different for you, that's reason enough to mention it to your GP. But it can help to know the kinds of changes doctors most commonly ask about:

None of these automatically means cancer — most of them, most of the time, don't. They're indicators that something is worth a look, not a checklist for self-diagnosis. If you notice something on this list, or something that simply isn't quite right for you and isn't on this list at all, the response is the same either way: mention it. You don't need to be certain, and you don't need to wait for it to get worse.

What Happens Next

For many women, the biggest source of dread isn't the change itself — it's not knowing what happens after you mention it. In practice, it's a considered, step-by-step process, designed to reach a clear answer as gently as possible.

Assessment generally begins with your GP taking a history and doing a clinical examination. From there, depending on your age, the nature of the change, and what your GP finds, you may be referred for imaging — an ultrasound, a mammogram, or both. This is sometimes called the triple test, because it draws on three sources of information together: what your doctor learns from you and the examination, what the imaging shows, and, if needed, a small tissue sample.

A tissue sample — taken with a fine needle or as a small core biopsy, both done under local anaesthetic — is only recommended when it will genuinely help clarify the picture. It isn't a sign that something serious has already been found; it's simply the most reliable way to get a definite answer, one way or the other.

The reassurance in this process doesn't come from a single number. It comes from how thorough it is: examination, imaging, and tissue sampling each add information the others can't, which is exactly why this combined approach is trusted to give women a clear, confident result — whatever that result turns out to be.

What Can Change the Picture

A few things can shift how breast health is managed for a particular woman, without changing the basic message: notice, and mention.

Age matters because breast cancer becomes more common as women get older, with rates of diagnosis rising through to the early seventies. This is part of why screening is targeted at older age groups — but it's not a reason for younger women to dismiss a genuine change.

Family history matters more for some women than others. Around 5 to 10 per cent of breast cancers in Australia are linked to a strong family history, including inherited genetic factors. A family history — particularly close relatives affected, or a diagnosis at a younger age — can change a woman's personal risk, and it's worth raising with your GP. They can talk it through with you, and where appropriate, use a validated tool such as iPrevent to build a clearer picture of your risk and whether further assessment, more frequent monitoring, or a referral to a specialist service makes sense for you. There's no single national rule here — it depends on your GP's assessment of your individual circumstances.

Breast density is something you may or may not currently know about. It refers to the amount of glandular tissue in your breasts compared with fatty tissue, and it can only be measured through a mammogram — never by look or feel. Denser tissue can make cancers harder to spot on a standard mammogram, which is why breast density is also considered a factor in its own right. Australian screening policy is moving toward telling women their density result as part of routine reporting, though how and when this happens currently differs between states and territories. If you're not sure whether you've been told your breast density, it's a reasonable thing to ask about at your next mammogram or GP visit.

None of these factors are things to fear. They're simply context that helps you and your GP make sensible decisions together.

Why Noticing Doesn't Mean Cancer

It's worth saying plainly: most breast changes are not breast cancer. Cysts, fibroadenomas, hormonal fluctuations, infections, and simple normal variation account for the vast majority of what brings women in to see their GP about their breasts.

This isn't a reason to dismiss a change — it's a reason to raise it without dread. A doctor's job in this situation is largely one of ruling things out, not confirming the worst. Many women leave these appointments relieved rather than shaken, often within the same visit or a short time after.

It's also true that some anxiety in this space is completely understandable. Breast cancer is common in Australia, and most of us know someone affected by it. But being informed about that reality is different from carrying quiet worry about every change. The purpose of this feature isn't to remove all uncertainty. It's to make raising a concern feel like an ordinary, manageable thing to do — because for the vast majority of women, that's exactly what it turns out to be.

What to Remember

You don't need a system for this. You don't need to check on a schedule, follow a technique, or feel behind if you haven't been “doing it right.” What actually helps is simpler than that.

Know what's normal for you. If something changes, mention it — to your GP, without needing to know what it means first. If you have no symptoms, keep up with routine screening when it's due. And if you're not sure which of these applies to you today, that uncertainty is completely reasonable — your GP would rather have the conversation than have you wait until you're certain.

That's the whole idea behind this feature. Not vigilance. Not fear. Just knowing.