What Is The Treatment To Get Menstruation Early?

Good morning, im a virgin and ill be going to hawaii in 2 days. I live with my mom and sisters and theyve been having their periofs. Is there any eway that I can speed up mt menstruation so I can swim atleast for 2 days? We will leave on tuesday and be back next tuesday. I teally want to have my period now so I can have it by mon to friday. Any food that might help? Thank you