11 days post iui

Hello! Yesterday I had what I’m almost sure as implantation cramps at 10dpiui. They were centralized short lived and prominent. Today I had to put my progesterone in and i felt my cervix and it is low open and hard. Has anyone gotten a bfp with a low hard open cervix? This is my 3rd baby via iui

so I’m not new to this but I still feel confused!