please comment TTC

Courtnie • I am 22 and I'm a Mother of a healthy happy lovable 2yr old son . && I'm expecting my second prince 7.14.16 💝
TTC with my third pregnancy my second was a chemical miscarriage my last period was Sep. 12-15 my fertile week was 21-27 I had sex on the 19,20 & 24 my ovulation day was the 26th since intercourse I have been having headaches, tiredness fregreunt urine, lower back pain and cramps here and there also clear/milky discharge. The cramping and symtoms is what getting me bc my next period isn't due til Oct. 10? So could I be pregnant someone please respond instead of just reading