My 20 weeks scan showed my baby has a very small lemon shaped head with no other abnormalities. My son was like this in all his scans too but he has hydrocephalus and spina bifida which they blamed the shape on. This time there are no other signs.
Does anyone else have any experience? Could it just be a family trait which is not associated with an abnormality?
As far as i know a lemon shape head is usually the first marker for SB at the 12 week scan when they cant see anything else. At a 20 week scan they can clearly see the spine so therefore the lemon shape would not be the tell tale marker. Did your doctor tell you hes worried that LO has SB? I think it would be quite unlikely that the only finding would be the lemon shape. Try not to worry.
Is baby lying breech as that can affect the shape? My baby's head has measured small throughout (from 20 to 35 weeks) compared with the rest of his body. I had a scan done by a fetal medicine specialist who said all was fine and all other growth scans by a consultant. She also said nothing to worry to about but I do worry TBH. I have my c-sec in 2 weeks and so will see what happens.
I phoned my private sonographer I use for bonding and she put my mind at rest and said everything sounds fine. It is fairly normal for a head to look like that if there are no other head signs which are easily spotted. I saw for myself the cerrebellum was fine and she said it wouldn't be in 99% of sb cases.
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