Will the NT value be larger if measured at 13 weeks of pregnancy?

May 10, 2023 Source: Cainiu Health

Dr. Lv Aiming

Introduction

The NT value at 13 weeks of pregnancy is generally larger. The NT scan is performed between weeks 11 and 13 of pregnancy to measure the thickness of the fetal nuchal translucency and assess whether the fetus has any abnormalities. The normal range for fetal nuchal translucency should be less than 2.5 mm. As the fetus grows and develops, the nuchal translucency thickness increases, so the NT value at 13 weeks of pregnancy tends to be higher than earlier measurements.

At 13 weeks of pregnancy, NT values tend to be slightly higher, but the difference is not significant. The detailed explanation is as follows:

NT screening is a test performed between 11 and 13 weeks of pregnancy, primarily used to measure the thickness of the fetal nuchal translucency and assess whether fetal abnormalities are present. The normal range for fetal nuchal translucency should be less than 2.5 mm. However, as the fetus grows and develops, the nuchal translucency thickness gradually increases. Therefore, at 13 weeks of gestation, the NT value may be somewhat higher than earlier measurements. As long as the value remains below 2.5 mm, it is considered within the normal range.

During pregnancy, regular prenatal checkups at the hospital are essential to monitor fetal development closely. Any abnormalities should be evaluated by a healthcare provider promptly.

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