I'm 20 years old. I had my periods on the 12 of june 2020, my periods are usually normal and last for around 4-5 days and its 28 days cycle .I had unprotected sex on the 25th of june 2020 and again had my periods on the 13th of july 2020 but unlikely i had more PMS symptoms than other times and once my period came it disappeared but my periods blood flow was heavy the first two days and from the third day it turned brown and very light that i don't have to wear pad ........ my question is Am i PREGNANT ??????