Also the mechanism makes sense, women's period timing is notoriously sensitive to threats (critical illness, sickness, trauma).
1) The background of these women are "antivaxx movements".
2) That theses reports are deliberately false.
3) That these side effects are "so-called".
>women falsely reporting these so-called side-effects
which is it? did women report side effects like this or did they not? you have conflicting statements here.