The journal Science Advances published a major study that found that 42% of women with regular menstrual cycles said they bled more heavily than usual after vaccination.
Women have been raising concerns about the shots' adverse effect on their menstruation ever since the Covid vaccines were initially made accessible more over a year and a half ago.
For instance, Marcie Smith Parenti described distressing instances from her own social circle in an August 2021 piece at The Grayzone that...
