Can a woman with a 40-week abdominal circumference of 391mm have a normal delivery?

Patient's question:

I am currently 40 weeks pregnant and went to the hospital for a check-up. They found that my abdominal circumference is already 391 millimeters. Since the baby is quite large, I'm not sure if I can have a natural birth. Now, I want to ask the doctor, can I have a natural birth with an abdominal circumference of 391 mm at 40 weeks?

Doctor's answer:

Whether it is possible to have a natural birth depends on the width of the pregnant woman's pelvis, the size of the fetus, and the strength of contractions. These factors need to be comprehensively considered to determine if a vaginal trial of labor is feasible. If the fetal biparietal diameter is not more than 9.5 centimeters and the pregnant woman's pelvis is sufficiently wide, vaginal delivery is generally possible. You can send over the results of the examination for review. The abdominal circumference currently appears to be larger, which may be related to the baby being overly fat. It is recommended not to be overly anxious and to closely cooperate with the doctor's treatment.

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