Pregnant?

Naomi
Hi girls,
I have no idea what is going on with me.I had a D&C on 2nd June,Had been waiting on my AF to arrive so 5wks later took a pregnancy test and it was negative.Last week what I thought my AF arrived and lasted for 4 days.So went to start my ovulation sticks today and it was v.positive so took a clearblue pregnancy test and it said pregnant 2-3wks .could I be pregnant or are my hormones still messed?thanks😀