New to ttc

Nicole • Married 6/13/2015 Mommy to little boy 11/22/2018 Ttc baby #2
Hi me and my husband just ended are third fertile cycle and I am 3dpo in it to early to detect pregnancy but I had some every mild cramps so I took a ovulation test and I feel it very dark for being 3dpo has anyone had this happen and get a bfp that month and I know I ovulated I used clear blue advance ovulation test.