I Have My Period 2 Weeks After I Had Another,

i have my period 2 weeks after i had another, afetr having unprotected sex, and after the second period i had sex and i felt cramps after sex and discovered blood and white thick fluid..i had stitches close to my vargina and i sleep everyday during lunchtime at work..so i wanted to ask if i am pregnant or its because i have changed environment as i have relocated