Miscarriage advice

Kay
Just found out i had a miscarriage on monday. I was 6 weeks and 5 days. Im so upset i just don't understand. I still feeling pregnant sore breast everything. But went for a follow up after being in the er for bleeding and the doctor didnt see anything she said what she was seeing looked to be tissue or maybe blot clots. But not sack or baby. Im in disbelief i dont know what to so im hurt and upset. How did any ladies who experienced this get thru it? Btw when i went in the er for bleeding they saw a baby measuring 6 weeks 5 days i had cramping that lasted about 15 min when i returned home from the er