Why periods are delayed after Kovid-19 vaccination, study revealed

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There have been many health reactions related to the vaccination (covid-19 vaccination). One of these is delayed periods. Know what the study says.

If you have taken the Kovid-19 vaccination in the last one-and-a-half months and are worried about the delay of periods, then do not worry at all. This is a common thing. Many other women like you are facing this situation. However it doesn’t happen with everyone. But a special study was done for this delay. And it turned out that a delay in menstruation is one of the many effects seen after the Kovid-19 vaccination.

What does research say?

According to lead author Alison Edelman of Oregon Health and Science University, women have experienced delays in their periods after the Kovid-19 vaccination. Its effects are expected to be small and temporary. This is a finding that is “very reassuring” as well as valid for those who have experienced the changes.

A study funded by the US government said that women who were vaccinated against Kovid-19 saw a slight delay in their periods, compared to women who were not vaccinated.

Vaccine lagane ke baad mahilayo ke periods mein deri hone lagi
After getting the vaccine, women’s periods started getting delayed. Image : Shutterstock

The study may also help counter vaccination misconceptions that are prevalent on social media.

A slight increase in the length of the menstrual cycle is not clinically significant. Any change of less than eight days is classified as normal by the International Federation of Gynecology and Obstetrics.

Vaccination can be the reason for delay in periods

The menstrual cycle usually lasts for about 28 days. But the exact amount varies from woman to woman as well as over a person’s lifetime. This can also change in times of stress.

For their study, the scientists analyzed anonymized data from a fertility tracking app among women aged 18 to 45 who were not using hormonal contraception.

Some 2,400 participants were vaccinated. These included Pfizer (55 percent) with a majority, followed by Moderna (35 percent) and Johnson & Johnson (7 percent).

About 1,500 illiterate women were also included as a comparison. Among the vaccinated group, data were collected from three consecutive cycles before vaccination. Similarly, cycle by cycle data was taken for those who were vaccinated.

For non-vaccinated individuals, data were collected for six consecutive cycles.

Know the conclusion of the study

A regenerated immune system may have an effect on the hypothalamic–pituitary–ovarian axis. In particular, the production of inflammatory proteins called cytokines appears to disrupt the way we control the timing of menstrual cycles.

Changes are most pronounced when vaccination occurs early in the follicular face. It begins on the first day of menstruation and ends when ovulation begins.

Vaccinaton ke baad periods mein badlaaw dekhe gaye
Changes in periods were observed after vaccination. Image: Shutterstock

In fact, people who received two injections of Pfizer or Moderna Vaccines during the same cycle experienced a two-day delay in their periods, as opposed to two separate cycles. But its effects seem temporary.

The study team now hopes to collect more data on subsequent cycles among vaccinated women to confirm a long-term return to baseline. They expand the study to a global scale so that they can isolate effects between vaccine brands.

Also read: Can Your Sanitary Pad Also Give You Infection? let’s find out


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