Figure 1.

The summary of the follow-up study. A total population of 308 females were followed after COVID-19 vaccination with different platforms. The menstrual disorders were classified according to the AEs Committee of Pasteur Institute of Iran. Standard vaccinations included two doses of PastoCovac and one dose of PastoCovac Plus, three doses of Sinopharm, and three doses of AstraZeneca; combinational vaccine regimens included two doses of Sinopharm and 1 dose of PastoCovac Plus, two doses of AstraZeneca and 1 dose of PastoCovac Plus, and two doses of COVAXIN and 1 dose of PastoCovac Plus.