So I was at the midwife and my bump once again was measuring small. It happened last time I was at…

So I was at the midwife and my bump once again was measuring small. It happened last time I was at the hospital being monitored. Booked in to see the midwife again in a fortnight, if I'm still measuring small I've been told I'll be sent for another scan. What happens at the scan, will it be a case of baby measuring fine and my bump small or if the baby is small what happens after that? ☹️ worried now !