Multiple ultrasounds How many of you mommies have had multiple ultrasounds. I had my first one on…

Multiple ultrasounds

How many of you mommies have had multiple ultrasounds. I had my first one on August and was told to go back in 2 weeks and now I was told to go back in nine weeks. I feel like is not common since for my other two kids i only had 1 and it was anatomy scan. I asked my midwife why i have to come back in 9 weeks for another us and she said something about my cervix and the us tech told me it was because she couldnt see well the babys kidney so now im confused i feel like theyre hiding something from me since im going in for my third us. Midwife also did a maternit21 test and everything came back neg so baby is healthy im just so confused