i had a miscarriage three weeks ago and since then have been trying to get pregnant again. I'm starting to have a ton of pregnancy symptoms but so far my pregnancy tests are negative. I'm nauseous, back hurts, hungry ALL THE TIME and am craving things I normally wouldn't eat. Then just now I went and bought some cinnamon twists which I usually love and it's burning my mouth and they taste so weird! Is this all in my head since it's so soon or could I really be pregnant?!