I Did Anal Sex With My Bf On 20th May,

I did anal sex with my bf on 20th may, my date was 6th June, I didn't get down,I did wait for two days n took mepryl, I got down on 16th june.
this July I didn't get down again, wait for 10days, took mepryl, this is my 6th day after stopping mepryl,still not down.
please help.
I cannot take a pregnancy test cause I'm afraid. But I don't have any symptoms of pregnancy either. None.