Health Tools & Calculators

Blood Value Checker

Instantly check whether your blood value falls within the reference range. Pick a biomarker, enter your result, and see where you stand.

Check your value

Hormone cycle check

FSH, LH, oestradiol and progesterone swing widely across your cycle, so a single reference range for the whole month tells you very little. This check reads your value against the phase you were actually in.

Check your hormone

AMH level check

AMH falls with age, so the number means little without it. See where your AMH sits for women your age, and read an honest account of what AMH does and does not predict.

Check your AMH

Menopause check

Do your symptoms fit the menopause? This check follows the Dutch GP guideline, flags symptoms that need looking into first, and is honest about when a blood test helps and when it does not.

Take the check

Ovulation calculator

Work out your fertile window from your cycle. You get a window rather than a single date, because that is how a cycle actually behaves.

Calculate your window

Due date calculator

Work out your due date from your last period, conception, an IVF transfer or a digital test. You see the whole term window, not just the single date.

Calculate your due date

Blood test finder

Not sure which blood test fits you? Answer 6–8 questions and see which test fits your story — based on the NHG guidelines GPs use. Including what you can skip.

Start the test finder

HCG Calculator

Track your HCG levels during early pregnancy. Understand if your levels are within the expected range for your gestational age.

Calculate HCG