Gestational age biparietal diameter femur comparison table

Every little life is the best gift given by God. And for this gift, everyone attaches great importance to it. Therefore, in the early stages of pregnancy, parents continue to hope for the birth of a baby. During pregnancy, the baby will grow as the months go by, and the mother's body is also constantly changing, which makes everyone very curious. So, what are the exact characteristics of a boy or girl?

What are the corresponding tables of fetal biparietal diameter and femoral head length in terms of gestational weeks?

35 weeks of pregnancy: The mean biparietal diameter of the fetus is 8.70 ± 0.55, the mean abdominal circumference of the fetus is 28.74 ± 2.88, and the mean femoral length is 6.71 ± 0.45. The fetus is about 50 cm long and weighs about 2500 grams. The functions of the two kidneys have been fully developed, and the liver can metabolize some things independently.

36 weeks of pregnancy: The mean biparietal diameter of the fetus is 8.81 ± 0.57, the mean abdominal circumference of the fetus is 29.44 ± 2.83, and the femoral length is 6.95 ± 0.47. From this Sunday the baby can be considered full-term.

37 weeks of pregnancy: The mean biparietal diameter of the fetus was 9.00 ± 0.63, the mean abdominal circumference of the fetus was 30.14 ± 2017, and the mean femoral length was 7.10 ± 0.52. The fetus is about 51 cm long and weighs about 3000 grams. The baby's head is now completely in the cradle.

38 weeks of pregnancy: The mean biparietal diameter of the fetus is 9.08 ± 0.59, the mean abdominal circumference of the fetus is 30.63 ± 2.83, and the femoral length is 7.20 ± 0.43. The baby's head is now completely in the bowl. The baby's head is resting in the bowl, and the pelvic frame is protecting it, which is very safe.

39 weeks of pregnancy: The mean biparietal diameter of the fetus was 9.21 ± 0.59, the mean abdominal circumference of the fetus was 31.34 ± 3.12, and the femoral length of the fetus was 7.34 ± 0.53. The baby's internal organs are all developing at this time, and the lungs are the last organ to develop fully. It is usually several hours after the birth of the baby that the lungs establish normal breathing patterns.

What to do in late pregnancy is beneficial to pregnant women

1. Pay attention to walking: In the late pregnancy, due to obesity, walking is inconvenient. Avoid walking on bumpy and uneven roads. Pay attention to the safety of the soles of your feet. Don't wear high heels. Choose low and stable heels to prevent falling due to unstable center of gravity.

2. Exercise the body moderately: In the late pregnancy, women can exercise the body moderately, walk outdoors more often, absorb some fresh air, and do some prenatal gymnastics moderately, which can improve the body's immunity and flexibility, and will be more helpful for the delivery process when pregnant women give birth.

3. Avoid dangerous places: During pregnancy, avoid environmental pollution, radiation source environment, and radiation environment. When going out in the late pregnancy, you need to be accompanied by others, choose some safe pain relief tools, and try to avoid places with a lot of traffic.

During the pregnancy process, everyone must go for a prenatal check-up in time, because the examination can grasp the baby's development status at the first time. At the same time, pay attention to controlling the intake of salt and water to prevent edema. In this stage, pay attention to calcium and zinc supplementation, drink two cups of milk a day, eat more fish and other foods rich in calcium, and effectively help the baby grow better.