my body is confusing? I am having the migraines, cravings and the nausea and I did spot some blood a…

my body is confusing? I am having the migraines, cravings and the nausea and I did spot some blood a lil bit and my tummy is growing but Is it to early to tell if I am??? and I have been grouchy and Moody these past couple of days but idk it's been hard on me after a recent miscarriage but idk????