what's going on with me??

I had a miscarriage Oct 25 past everything same day and bled one day. no period in Nov then Dec 1st had spotting 2st day was pink with brown then 3rd day dark reddish brown and 4th day nothing. my boobs are sore I won't let my hubby touch my nipples they hurt so bad and they starting to get darker I been bloated and gassy for a few days now... When should I take a test????