Baby has NO birth defects but is 12 days small?? mostly his head is small but everywhere averaged together its like 12 days. Now this is a very detailed scan. Keep in mind I know for sure when I got my BFP and basically when I ovulated and i got my BFP 11DPO so no way I was 12 days later ovulating lol. I know the later US get the more off they can be..curious if anyone else had a baby measure "small" on a level 2.