So i had af sept 20-27. I was due for af oct 19th. I started spotting that night light pink wemt on for 2 days took a hpt neg...took an opk the next day was very pos then.neg.everyday now. Did i ovulate late? I had a pos opk oct 5 which is why im confused do i count the spotting as a period or could i be pregnant. Should i retest?