My Name Is DANIELLE IAM 38 YEARS OLD LAST DEC,

my name is DANIELLE IAM 38 YEARS OLD LAST DEC, I BECAME PREG TO MY 3RD MY HUSBAND AND I WERE VERY HAPPY AS WELL AS MY 2 OTHER CHILDREN . THAN IN FEB I HAD TO GO FOR THE HARMONY TEST AND IT WENT DOWN FROM THERE I WAS TOLD I TESTED FOR A T21 I RIGHT AWAY WENT TO TAKE THE CVS TEST AND I AS WELL TESTED POSTIVE WE THAN DECIDED NOT TO HAVE THE BABY, HOWEVER IAM NOW PREG I TOOK A TEST TONIGHT AND IAM PREG IAM SO AFRAID OF THIS HAPPENING TO ME AGAIN AND IAM LIGHTLY BLEEDING HERE AND THERE CAN THIS HAPPEN TO ME AGAIN WHAT ARE THE CHANCES