It's "Just Girl Things", Until It Costs You a Grand Slam

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Roland Garros, 2022. Zheng Qinwen, 19 years old at the time, just took a set from Iga Swiatek. The world number one. One more set. But then her period came. She called a medical timeout. Her trainer immediately wrapped her leg, but her leg was fine. It was her stomach. The cramps were so bad she could not play her own tennis anymore. Yes, those very cramps. The menstrual cramps every woman reco..