B examination standard for detecting whether the fetus is normal

Patient's question:

I had an ultrasound at 17 weeks and 5 days. The biparietal diameter was 38mm, the femur length was 22mm, the fetal heart rate was 147 beats per minute, and the amniotic fluid was moderate. Is the fetus normal?

Doctor's answer:

Hello:
Gestational Week 17: The average biparietal diameter is 3.97 ± 0.44, the average abdominal circumference is 11.49 ± 1.62, and the femur length is 2.52 ± 0.44. Therefore, the baby's condition is normal.
Generally, doctors recommend that patients with risk signs during prenatal examinations pay attention to keeping warm and avoid coldness. Additionally, patients should also ensure a comfortable environment, which is beneficial for rest. Wishing the patient a healthy delivery.

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