Scared

Elisabete • Mother of 7 loves doctor who trying again
I went for an ultrasound 2 weeks ago they said baby measured 5 weeks 6 days one week behind what I thought I was but that was ok cause heart beat was heard 115 bpm 
Then today from measurements I should have been 7 weeks 2 days but baby measured 6 weeks 5 days and heart beat was 101 bpm 
Do you guys think baby will be ok ?