Wimbledon will allow women to wear colored undershorts, in nod to period concerns

Barbora Krejcikova, top right, and Katerina Siniakova of the Czech Republic, celebrate after beating China's Shuai Zhang, bottom left, and Belgium's Elise Mertens during the final of the women's doubles at the Wimbledon tennis championships in July. Wimbledon is relaxing its requirement for all-white clothing to allow female players to wear colored undershorts. (Kirsty Wigglesworth/AP)

Wimbledon's famously strict rules requiring all-white clothing for its players now comes with an exception: female players can wear dark-colored undershorts beneath their skirts or shorts.

The change comes after current and former players described the stress of having to wear an all-white ensemble at the tennis tournament while on their menstrual periods.