ive been having growth scans as they were worried i was measuring small for dates turns out the person who had scanned my baby had under measured as on my 31 weeks and 5 days scan baby was good just low fluid levels of 8.7cm the prevous week i had a doppler scan where the person said it looks like the blood flow from the placenta was looking like it was starting to fail when i had my 31 week and 5 day scan the person said the blood flow was good still and cant understand why i was told it wasnt has anyone any ideas on if this is possible for one week blood flow to be poor then the week after back to been good im also having twice weekly ctgs to monitor heart rate and babys movements they are all fine too