(BBC News) The discovery of a huge "fake sanitary towel" operation in southeast China has prompted fears about the possible impact on women's health.
Police in Nanchang, Jiangxi Province, say they have arrested two suspects believed to have produced millions of the fakes in dirty facilities.
The fakes are thought to have gone on sale across China since 2013.
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Chinese authorities have warned against buying discounted products, saying there could be serious health risks.