Quick Look
Why household pregnancy tests are unreliable
What purpose-built pregnancy tests check
Use a reliable test
Takeaway
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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