Fetal size at 25 weeks and 6 days, biparietal diameter of 6 cm, is it normal?

Patient's question:

25 weeks 6 days, biparietal diameter 6.6 cm, head circumference 24.1 cm, abdominal circumference 21 cm, femur length 4.6 cm, humerus length 4.3 cm. Will the child be small?

Doctor's answer:

Based on your current careful examination results, the baby's growth and development are basically in line with the size of around 25 weeks, slightly smaller. There is no exclusion of ultrasound measurement errors and a certain relationship with the menstrual cycle. Your current gestational age is 25 weeks plus six. The various linear measurements of the fetus are consistent with the gestational age. Currently, no obvious growth and development abnormalities are observed, so there is no need to worry too much.
It is recommended to pay attention to a regular lifestyle and diet, avoid factors that are unfavorable to the baby's growth and development, and undergo prenatal examinations regularly.

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