Health
Women who were vaccinated against covid-19 in the luteal phase of their menstrual cycle reported having a breakthrough infection sooner than those vaccinated during their follicular phase
By Chioma Eve
29 June 2026
Facebook / Meta
Your menstrual cycle may affect how well vaccines work
Women who were vaccinated against covid-19 in the luteal phase of their menstrual cycle reported having a breakthrough infection sooner than those vaccinated during their follicular phase
698 words~3 min read
