Me and my partner have been trying to conceive for the last 6 months. My last period was on the 3rd December. A week before I come on, I usually grow a massive spot on my face and get sore/tender breasts. I Am now 2 days late and the spot hasn't appeared, neither have my sore boobs. I've taken a test and it's appeared negative? Could I be pregnant? Why havent my pre period sore boobs come?