7 weeks pregnant with twins


We are pregnant with twins and I am a little scare baby B is measuring 1 week behind its measuring 6weeks and a heart rate of 120 and baby A measured 7 weeks with a heart rate of 150 has anyone been in this situation can you please tel me about it and the outcome? I’m freaking out this are my rainbows after one miscarriage and a stillborn daughter in 2019