af 3 days late

Marie
Hello to all 
       So af  came may 11th . I went from every 28 days to every 30-31 days . So 30-31 days from may 11th would be June 11th .So Iam now  3 days late . I took tons of pregnancy test and they all came back negative. I have been feeling sick to my stomach, nauseous headache 🤕 leg cramps and af like cramps . Oh and clear discharge in my undies and on the tp. Anybody else going through this??? Helppp I'm going crazy