Everything I've been reading says implantation bleeding should occur before your expected period... I'm very regular and I'm now 9 days late and both pregnancy tests I took on Monday are BFP. Today I noticed what I believe to be implantation bleeding when I wiped. Scant, stringy, brownish/pinkish... The last several days I've been EXTREMELY fatigued (not my norm at all), forgetful and my boobs are horrendously sore. Waiting to get into the doctor but in the meantime, just wanted some anecdotal advice on why/what that spotting is. Thanks!