Characteristics and health factors influencing menstrual changes after COVID-19 vaccination: A Spanish retrospective observational study in currently menstruating women.

ABSTRACT:

Background

There is increasing evidence that menstrual changes (MC) should be considered as an adverse event resulting from COVID-19 vaccination. However, the contributing health factors are still poorly understood.

Objectives

The aim was to analyze the characteristics and factors influencing MC after the administration of the severe acute respiratory syndrome coronavirus 2 vaccine.

Design & methods

A retrospective observational study of currently menstruating women (N = 14,550) in Spain was conducted during the month of December 2021 using an online survey. Among others, general characteristics of the menstrual cycle, medical history, and adverse events following vaccination-including MC-were recorded. Bivariate logistic regression analysis was performed to de

SUBMITTER: Al-Adib M 

PROVIDER: S-EPMC12715143 | biostudies-literature | 2025 Jan-Dec

REPOSITORIES: biostudies-literature