I miscarried in march.ttc since.af came on 6th lasted 4 days really light aside from normally 7days.intercourse all through period.suppose to ovulate the 20th husband is out of town.we had intercourse all weekend.yesterday there was light spotting when I wiped and today slight cramps in ovaries and light pink yellow discharge when I wipe.could I have ovulated early and this be implantation or what is this!!