Glow predicted that I would ovulate today but I tested using opks starting last monday. I got a positive opk on Friday. I know you are not suppose to test anymore once you get a positive. But I did and have gotten very faint lines on opks. So negative. I just took another using second morning urine and it's still negative but a little darker of a negative line. My cervix is still very high and my cm is creamy. And i have been cramping again... What could this mean?