Sore Breast

Nana • TTC for 20 months... going on 21 UPDATE: TTC for 30 months. UPDATE: Going on 72 months
So This Is My 1st Time TTC In Month 4 . My B..bs Have Been Extremely Sore And I am Now 7 Dpo . I Took A OPK 8/18 Came Back Positive But Didn't Have Clear CM Till 2 Days Later. Wondering If I Didn't Actually Ovulate Resulting In Extremely Sorry B..bs Or Is This A Early Conception Symptom ?