Lab tool · for when your results are back

Your results are back, and "normal." Here's what each number can actually tell you.

Most women trying to conceive get a page of results and a shrug, because nobody reads them in context or notices what wasn't tested. This guide is for the moment your results arrive. It shows what each number can and can't tell you, which lines are actually established and how strong the evidence is, and gives you the words to take to your provider.

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Why "normal" keeps you stuck

"Normal" answers one question: is there disease? It doesn't tell you whether the right markers were run, timed to your cycle, or read together. That's the gap this checklist closes.

A lab's reference range is designed to catch illness in the general population. It was never meant to tell you whether the right markers were run for someone trying to conceive, or whether anyone looked at them together. More tests won't fix that. The right tests, timed properly and read in context, will, together with a calmer, more precise conversation with your provider.

What you get today

What each result means, and how to read it yourself.

A reference guide for the results you already have, organised around the four fertility drivers.

What each result can and can't tell you

Your lab's usual flag next to the lines that are actually established, with an honest evidence grade and a clear note wherever no fertility-specific number exists.

What's missing from your panel

The markers most standard workups skip, such as thyroid antibodies, ferritin, vitamin D, B12 and folate, so you can see what wasn't tested and ask for it next.

The exact words for your provider

A ready-to-say question for each marker, worded so your results are discussed properly instead of waved through.

Why each marker matters, and when to test it

For every marker: why it matters when you're trying to conceive, plus a one-page map of which cycle day to test what.

A look inside

Four of the markers most often misread.

These sit "in range" on most reports, and they are the ones most often skipped, taken on the wrong day or read in isolation. The full guide covers the complete panel, with an evidence grade on every number.

TSH (thyroid)

Request the full panel: Free T3, Free T4, TPO antibodies

Lab flag0.4-4.0 Closer look>2.5 + antibodies

Ferritin (iron stores)

Can sit low long before anaemia shows up

Lab flag<15 Many clinicians act<30 µg/L

Vitamin D (25-OH)

Acts as a hormone in the reproductive system, and many people in central Europe run low

Deficient<20 ng/mL Sufficient20-30+ · guidelines differ

Vitamin B12

Works alongside folate and matters for DNA synthesis

Deficient<~200 pg/mL Borderline~200-300 · look closer

These are examples, not diagnostic cut-offs. Where no fertility-specific number exists, the guide says so instead of inventing one, and grades every line by evidence, with its source. What your result means is something to discuss with your provider.

Why this, and not a quick search

A number on a page isn't the same as knowing what it means.

Piecing it together yourself

Googling each marker, one by one

✕Conflicting "optimal" numbers on every site, most without a source
✕No idea which of your numbers actually matter
✕Nothing to hand your GP, so the conversation stalls
✕Still unsure whether "in range" is actually good enough

Hours of reading, and you still walk in without the words.

The Lab Checklist

One vetted reference, ready to use

✓The fertility markers that matter, explained one by one
✓Every marker's established lines in one place, with no invented targets
✓The exact question to ask, marker by marker
✓Put together by a practitioner, so you arrive prepared

An affordable step toward understanding your own results.

Before you decide

Good questions.

Is this medical advice?+

No. It is an educational reference to help you have a more precise conversation with your own provider. It doesn't diagnose anything, and every number is something to discuss with your clinician, not a self-diagnosis.

My blood test isn't until next month. Should I buy this now?+

You don't need to yet. Before your blood test, start with the free Lab Request List, so you ask for the right tests. Come back to the Lab Checklist once your results are in, when you want to know what each number means.

What do I actually receive, and how fast?+

A digital guide sent to your inbox within minutes of purchase. It explains what each result can and can't tell you, shows what's missing from a typical panel, gives you the questions for your provider and covers why each marker matters. It's yours to keep and bring to every appointment.

How does this fit with everything else?+

The free Lab Request List comes before your blood test. This guide is for when your results are back. If you want your results read as one connected picture and matched to your primary driver, choose Advanced Diagnostics, and if you'd like me to read them personally, choose The Interpretation.