Thousands of Clear & Simple Digital Pregnancy Tests are being recalled after a “small number of false positive results”.

The Medicines and Healthcare products Regulatory Agency (MHRA) said people who have bought the tests should check the lot number to see if it is one of those affected.

Manufacturer Guangzhou Wondfo Biotech estimates that more than 58,000 affected tests have been distributed in the UK.

A MHRA spokesman said: “Guangzhou Wondfo Biotech has announced that they are recalling one lot of faulty Clear & Simple Digital Pregnancy Tests following the tests producing a small number of false positive results.

“Anyone who has purchased an affected test is advised to seek alternative testing methods and return affected tests to their pharmacy or shop.”

The lot number to check for is DM10220170710E, which can be found on the end of the box and is also printed on the sachet.

MHRA’s clinical director of medical devices, Dr Duncan McPherson, said: “It is important people check the lot number of any Clear & Simple Digital Pregnancy Tests they have purchased to see if they have a product from an affected lot.

“If you have any questions about using digital pregnancy tests, please speak to your healthcare professional.

“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.”