Some women after contracting Infections caused by covid 19 report abnormal bleeding; Its volume has increased or there has been a delay in the period.

We know that sex hormones affect the immune system and sex hormones affect the immune system.

And of course, it is your sex hormones that control your periods.

So if your immune system receives a shock; Whether it's caused by an infection or a vaccination, it may cause a hormonal change that leads to a change in your period pattern.

In none of the reports did the women mention the length of these changes, although they may last for one to two months.

Sometimes the cause of concern is its effect on fertility; We know this from the effects of other vaccines that produce short-term changes and have no long-term effect on fertility.