Women are being advised to check their pregnancy tests after some Clear & Simple devices gave inaccurate positive results.
Manufacturer Guangzhou Wondfo Biotech is recalling more than 58,000 digital pregnancy tests that have been distributed in the UK.
Women are advised to return the test devices to their pharmacy and use another testing method.
The specific lot number of the affected tests is on and inside the packaging.
Description - Clear and Simple Digital Pregnancy Test
Catalogue Number - DM-102
Lot Number - DM10220170710E
Expiry Date - January 2020
Dr Duncan McPherson, clinical director of medical devices at the UK's Medicines and Healthcare products Regulatory Agency, said: "Patient safety is our highest priority.
"We strongly encourage anyone to report any issues with this product, or more generally with any medical device, to our Yellow Card Scheme.
"If you have any questions about using digital pregnancy tests, please speak to your healthcare professional."
