Need some advice so I started taking the progesterone only pill at the back end of Jan as me and my long term partner where then split up I was briefly seeing someone else anyway me and my long term partner reconciled at the beginning on Feb and I stopped taking the POP I had a period Feb 10 normal then around a week or so later I started spotting it lasted about 5days I was due march 10 so far no period just a slight pink tinge last night my breasts feel sore like bruised two tests today both negative but would taking the POP for less than 2 weeks mess up my once regular cycle resulting in spotting in between periods that's never happened before HELP I'm confused what's going on with my body