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. 2022 Aug 17:10.1111/jog.15400. Online ahead of print. doi: 10.1111/jog.15400

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© 2022 Japan Society of Obstetrics and Gynecology.

This article is being made freely available through PubMed Central as part of the COVID-19 public health emergency response. It can be used for unrestricted research re-use and analysis in any form or by any means with acknowledgement of the original source, for the duration of the public health emergency.

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The network for the third dose of BNT162b2 vaccination. There were five identified clusters of symptoms in the network after the third dose of vaccine. The colors of the clusters with similar compositions after the second dose are shown in the same colors. Abnormal bleeding and irregular menstrual cycles belong to the same cluster (blue) with little connections to other symptoms. (abd_, abdominal pain; abn_, abnormal bleeding; art, arthralgia; chl, chill; drr, diarrhea; fls, facial flush; ftg, fatigue; fvr, fever; hdc, headache; ir_, irregular menstrual cycle; it_, itch in the injection site; lym, lymphadenopathy; my_, extrainjecyion site myalgia; ns_, nausea/vomiting; oth, other symptoms; phr, pharyngeal irritation/pain; pn_, pain in the injection site; rd_, redness in the injection site; sw_, swelling in the injection site).