Do you think I might be

Its too soon to test (8 days to soon). Durring ovulation my Fiance and I tried every other day. This will be my first so i dont know what to expect im 21(ive been having regular cycles for years) hes 24. A few days ago i noticed my nipples got darker but not by much and even water hurts them, cant even touch them i could even cry and normally for pms my boobs arnt affected. Nausea but not throwing up. Constipated even tho i take Magnesium. My hair and skin is 🔥and durring pms its always gross. (i know thats not much but 😊)