What is the biparietal diameter at 18 weeks of pregnancy?

During pregnancy, mothers usually use B-ultrasound examinations to judge the growth and development of their children. The growth and development of children is of great concern during pregnancy. So, sometimes some reference values ​​on the examination report tell us how our baby is growing and developing in the belly! So in the following article, the editor will introduce to you how to judge the biparietal diameter at 18 weeks of pregnancy?

Using B-ultrasound during pregnancy to determine the size of the fetus is a more valuable reference method. When pregnant women are doing B-ultrasound, they will see some values ​​on the examination report. These values ​​tell you the size of the baby. To understand these numbers, you need to read the following article carefully.

13 weeks of pregnancy: the average value of biparietal diameter is 2.52±0.25"""" the average value of abdominal circumference is 6.90±1.65"""" the femur length is 1.17±0.31.

14 weeks of pregnancy: the average value of biparietal diameter is 2.83±0.57", the average value of abdominal circumference is 7.77±1.82", the average value of femur length is 1.38±0.48.

15 weeks of pregnancy: the average value of biparietal diameter is 3.23±0.51", the average value of abdominal circumference is 9.13±1.56", the average value of femur length is 1.74±0.58.

16 weeks of pregnancy: the average value of biparietal diameter is 3.62±0.58"""" the average value of abdominal circumference is 10.32±1.92"""" the femur length is 2.10±0.51.

17 weeks of pregnancy: the average value of biparietal diameter is 3.97±0.44"""" the average value of abdominal circumference is 11.49±1.62"""" the femur length is 2.52±0.44.

18 weeks of pregnancy: the average value of biparietal diameter is 4.25±0.53", the average value of abdominal circumference is 12.41±1.89", the average value of femur length is 2.71±0.46.

19 weeks of pregnancy: the average value of biparietal diameter is 4.52±0.53", the average value of abdominal circumference is 13.59±2.30", the average value of femur length is 3.03±0.50.

20 weeks of pregnancy: the average value of biparietal diameter is 4.88±0.58", the average value of abdominal circumference is 14.80±1.89", the femur length is 3.35±0.47.

21 weeks of pregnancy: the average value of biparietal diameter is 5.22±0.42", the average value of abdominal circumference is 15.62±1.84", the average value of femur length is 3.64±0.40.

22 weeks of pregnancy: the average value of biparietal diameter is 5.45±0.57", the average value of abdominal circumference is 16.70±2.23", the average value of femur length is 3.82±0.47.

In the above article, we learned about the biparietal diameter at 18 weeks of pregnancy. First of all, this is because the waist circumference and abdominal circumference of pregnant women gradually increase after 18 weeks. As the baby's belly develops day by day, mothers should pay attention to their daily life and diet.