I am 6dpo and all i had for 4 days is a cold (throat dry,couph,itchy throat,ears hurt and eyes tear up,heartburn yesterday in the middle of night in which i took tums becayse it was bad .But no cramps of implantation bleeding at all yet.do i. Feel hopeless but. Can a cold symptom be a eary sign and heartburn .ik my mom said she did bot even have nausea when pregnant so every woman is different .