3rd Trimester

Cerebellum Measurement?

Wondering if anyone has any insight on a large cerebellum measurement? I can really only find info on small measurements. At anatomy scan my CER was measuring 21.1 mm. Had a growth scan at 31 weeks and it is now measuring 41.8mm. All other measurements are 55%percentile to 81%tile (BPD). Anyone have experience with this? Baby’s head is down and low so wondering if it’s just a miscalculation? No one seems to be worried about it.

Re: Cerebellum Measurement?

  • I doubt anyone here can help you. I’m a medical professional and I don’t even know what a fetal cerebellar normal measurement is, and you don’t mention the percentile for this. If your OB isn’t worried then I wouldn’t worry. If anyone here has experience they may chime in, but you may not get answers for such a specific question. 

    Some places you can go to get some peace of mind are the radiology report (does it mention a concerning finding related to this, or just casually mention it), or directly asking your OB if you need reassurance. 
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  • I know this is an old post, but I was wondering how this turned out for you? I had a completely normal scan yesterday except for a HUGE cerebellum, and all I can find online is that there is weak evidence it can be associated with autism.
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