CM question

Warning, this may be TMI to some.... My fertile week just started yesterday. I took my first opk test yesterday afternoon and it was negative (no LH surge) SO and i BD last night and i did notice some extra CM later that night (this was after peeing and cleaning myself) which seemed normal cuz i always get afterward. However, my CM seemed creamy the past couple days but this morning it seemed to go back to the sticky stuff... im confused. I thought next should be watery... can someone provide some insight? Has this happened to anyone? This is my first time tracking CM and testing.