In February 2021, University of Illinois scientist Kate Clancy wrote on Twitter that after her first vaccination with Moderna's mRNA vaccine, she would "bubble" like she did in her 20s. And many other women also reported changes in their menstruation on social networks. Some remembered that they had hardly bled, while others had a delayed or premature menstruation. Many of them felt insecure. Especially at the beginning of the vaccination campaign, there was always false information circulating, according to which vaccination would make you infertile. A lot has happened since then. But not everything contributed to the enlightenment.
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