The vaccines watchdog is “closely monitoring” reports from 4,000 women who suffered period problems after having their Covid jab.
Britons having the vaccine are warned they might get a sore arm, feel tired, achy or sick, or develop a headache, but period irregularities are not mentioned on the list of potential side effects.
Official data, obtained by The Sunday Times, show that the Medicines & Healthcare products Regulatory Agency (MHRA) received 2,734 reports of period problems linked to the AstraZeneca vaccine, 1,158 related to the Pfizer jab, and 66 linked to the Moderna vaccine up to May 17.
The issue, typically involving “heavier than usual” bleeding, could have affected many more women who would not have thought to report their experience. The majority of issues