Opk confusion

emily
I had a bunch of people tell me cd 9 430p and 6 are +. But my cm didnt line up w opk. I got water cm cd 10 and we did BD 8 and 10. Yesterday was cd13 i had ewcm and it was abundant. Also had dull aches acne and diarhhea. Can someone help me out with these opks and tell me the diff in implant and ov cramps???