Study Population
Inclusion criteria: All female participants between 18-45 years of age
who had received two doses of either COVISHIELD or COVAXIN vaccine with
or without a booster dose and had previous 3 regular cycles before
vaccination were enrolled as study participants. They were enrolled
after ≥2 months since their last dose and up to 8 months
post-vaccination. The flow chart
below depicts enrollment of participants at different centers and the
collection of data for analysis and compilation.
Exclusion criteria: All females <18 years or >45
years, those who were unvaccinated or not fully vaccinated, had
previously irregular cycles, pregnant, immediate postpartum or
post-abortal, lactating, on hormonal or IUCD contraceptives,
anticoagulants/antipsychotic drugs, currently suffering from COVID-19
infection, with co-morbidities like diabetes, thyroid disorders,
hyperprolactinemia, tuberculosis, autoimmune diseases, morbidly obese,
acutely ill patient and those not willing to be a part of the study were
excluded.