Title: The head circumference of the fetus by week: table
Headings: The head circumference of the fetus by week: table
The head circumference of the fetus by week: table
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The Formula for the calculation
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Head Circumference of the fetus: table

Content: With 15 to 26 weeks of gestation head circumference crumbs increased by an average of 12-13 mm. This increase happens every week. With a further increase of pregnancy the increase in head circumference slows down. By the end of the third trimester-about a month before the birth of the baby – this rate is more than 12-15 mm. How to measure head circumference crumbs
To measure the head circumference of the fetus, are subjected to a regular diagnosis using the ultrasound machine. The research is conducted by specialist from several perspectives to obtain the most accurate result. In addition to the diagnosis of head circumference the doctor diagnoses geometricheskih such factors as the biparietal (BDP) and sagittal size, bone length of femur, abdominal circumference, frontal-occipital (LZR) size and others. A table of rules, applied to diagnostics, a technician can determine the development of the fetus and of potential bias. If the doctor detects a significant deviation from the norm, the woman offer to do an abortion. The Formula for the calculation
Head Circumference of the fetus by weeks is determined according to the same principle as the biparietal size: