Hi, does anyone know if you can get a false + on an OPK? Or if it's poss to O twice in a cycle? I was certain that I Od last wed-thurs (+OPKs, severe O pain, EWCM) but I had a faint + on an OPK on tues night, some mild pain on RHS (last week it was LHS) and some EWCM. What does this mean?