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Homemade pregnancy tests: why they are unreliable

Missed a period or unsure whether you are pregnant? Household pregnancy tests are unreliable. Use a purpose-built pharmacy pregnancy test according to its instructions, or ask a health professional about testing.

Why household pregnancy tests are unreliable

Household ingredients cannot reliably confirm or rule out pregnancy. Do not mix urine with bleach or household cleaning products. Use a pharmacy pregnancy test according to its instructions, or speak with a health professional about testing.

What purpose-built pregnancy tests check

Purpose-built urine and blood pregnancy tests check for the pregnancy hormone human chorionic gonadotropin (hCG), which is produced after implantation. Pharmacy pregnancy tests are urine tests; a health professional can advise about urine or blood testing.

Pregnancy, Birth and Baby: pregnancy tests

Household pregnancy tests are not a reliable way to confirm or rule out pregnancy and should not be tried “for fun”.

Use a reliable test

Do not use household ingredients or cleaning products to test for pregnancy. Symptoms alone cannot confirm pregnancy. If you are unsure about a test result, speak with a health professional.

Takeaway

Use a pharmacy pregnancy test according to its instructions, or speak with a health professional about testing. Do not rely on a household mixture or its reaction.

Safety-related content updated 14 October 2026. Further editorial review is underway.

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