Please take a home Pregnancy urine test yourself.
If it is positive then dont try any home remedy as these can be lifethreatening. Plz visit your nearby gynaec.
If its negative then you can wait for 7 days for spontaneous periods. If no periods even after that then plz visit a gynaecologist as There are many hormonal imbalances which may delay the periods.
Next Steps
Use pregnancy kits available in market
Health Tips
Dont selfmedicate This can be lifethreatening