CD 16 ..still having cramps and headaches, been having them for the past week . one day I had them on just my right side for a few mins but then it's been my whole lower abdomen. also had a twinging feeling 2 days ago. could it be implantation or just ovulation or just my mind playing tricks... this 2ww is sooooo frustrating! cervix is also medium and medium high ..not sure if it's opened or closed, always have a hard time telling that one