Baby measuring small

Katy

I had my first ultrasound today, I am 7wks and 2 days, and the baby is measuring 6wks and 3 days. They brought me in early due to my miscarriage last year. Is this normal? I am trying not to worry but am worried out of my mind. They are bringing me back in two weeks for another ultrasound... everything just felt off. They asked how long my cycle usually was, did I get a for quick positive on my pregnancy test, they said everything looked great! And Amazing! But paired with the questions, and bringing me back in two weeks makes me think they were trying to soften a blow that is coming.