PCOS Hormone Blood Test

5 Biomarkers | Venous or Capillary Blood Test | CE-marked | UKAS-accredited | Doctor-reviewed results with personalised interpretation.

A focused PCOS check measuring FSH, LH, testosterone, SHBG and free androgen index. Designed for women investigating PCOS-related symptoms such as irregular periods, acne or unwanted hair growth, this test gives clear, clinically reviewed insight so you can understand your results and know what to do next.

Results are typically available within 2 working days from when your sample reaches the laboratory (excluding weekends and bank holidays).

£99.00

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Choose your sample collection method: Book a venous draw at our Livingston clinic Book a venous draw at home with a nurse +£63 Self-arrange a professional sample collection Partner clinic visit + £35.00 Finger Prick

Testosterone
Sex Hormone Binding Globulin
Free Androgen Index

Follicle Stimulating Hormone
Luteinising Hormone

Fasting required 8–12 h before the test (water only) recommended for glucose, cholesterol/triglyceride accuracy
Sample timing: between 7:00 AM – 10:00 AM
Stay hydrated; avoid strenuous exercise, heavy meals, and supplements (iron, B12, multivitamins, biotin) for 48 hours prior
Continue prescribed medications unless otherwise directed

Frequently asked questions

It is for women with symptoms suggestive of polycystic ovary syndrome, such as irregular or absent periods, acne, excess hair growth or hair thinning. It measures LH, FSH, testosterone, SHBG, the free androgen index, AMH, prolactin and thyroid function.

Days two to five of your cycle are ideal, as this is when the LH to FSH relationship used in PCOS assessment is most informative. If your periods are irregular or have stopped, test whenever is convenient and note when your last period was.

In PCOS, LH is often raised relative to FSH. This pattern supports the diagnosis but is not present in every case, so a normal ratio does not exclude PCOS. It is interpreted alongside your androgen levels and symptoms.

Yes, considerably. The combined pill suppresses the hormones this panel measures and can mask PCOS entirely. Ideally you would test at least three months after stopping, but do not stop contraception solely for testing without discussing it with your clinician.

It is worth considering. Many women with PCOS have insulin resistance, which affects both symptoms and long term health. Our Advanced PCOS & Weight Gain Blood Test includes those markers if you want the fuller assessment.