I bd Dec 22nd, not sure when I ovulated but it was within 5 days after that, af due the 12th or 15th (usually is on 15th dut was 3 days early last month) I check my cervix and cm every day, cervix has stayed high and soft, cm usually white milky/creamy, today it was pinkish/brownish am also having light cramps like af is comming, could it be implantation?