What Would Be The Hard Substance Came Out Of My Vagina?

something came out of my vagina. So one day I stuck my finger up and me and felt something I tried an tried to get it out but I couldn t get it. The next day I was in the shower in got it out.. it hit the tub so hard I was so scared I didn t know what to do.. I then picked it up it was a half an inch rubber thick thing with just a little blood on it.. I flushed it down the toilet Never ever said anything about it tell now please help me what was that