Had my periods on the 8th may 2018, my ovulation period was from 16th to 20th on which I had unprotected sex on the 20th (peak time). later in june I had light red periods on the 3rd that lasted to 5th, actually 4th was some how more than, was expecting my periods on the 6th of June but came early the 3rd without any cramp or clots in it. have not taken any tests coz I didn't feel like pregnant though I have joint pains, changes in body temperature. please advice.