First study of its kind reports on period changes post-Covid-19 vaccination - Inverse

A survey of 39,000 people who currently or formerly menstruate found that 42 percent of respondents had irregular or breakthrough bleeding after a COVID vaccine.

Nikita used to joke she was like the moon because of her clockwork-like menstrual cycle. My cycle was so regular, the 32-year-old Londoner tells Inverse. After her first dose of the Pfizer vaccine … [+10109 chars]

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