Is it normal for a 24-week-old fetus to have a smaller biparietal diameter?

Patient's question:

At 24 weeks and 4 days pregnant, I had a brain ultrasound. The doctor said the baby's biparietal diameter is too small. Is this normal? Could a small biparietal diameter interfere with intelligence or increase the risk of cerebral palsy?

Doctor's answer:

The growth and development size of embryos vary individually, and the head shape also has different forms. As long as the results are carefully examined and not diagnosed as microcephaly, generally there is no interference. This requires careful examination to rule out microcephaly, as it will never interfere with the child's intellectual growth and development. It is recommended to enhance nutrition, pay attention to changes in fetal movement, and not worry too much. A positive mindset is more helpful for the child's healthy growth and development.

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