This is a side effect of meprate as these are harmonal pills used to induce periods,Don't worry once you get your periods it will subside., however don't use these pills every now and then ,instead get your harmones like
thyroidprolactin checked for any imbalance.
U may need an ultrasound also in case irregular periods is a regular feature in ur case
Next Steps
follow the advice given above
Health Tips
have a balanced diet and do regular physical activity