What do the measurements on a baby scan mean?

HC (head circumference), the length going around your baby’s head. CRL (crown-rump length), the length from the top of the head to your baby’s bottom, measurement taken in the first trimester. AC (abdominal circumference), the length going around your baby’s belly.

What are the measurements on a baby scan?

Fetal ultrasound measurements can include the crown-rump length (CRL), biparietal diameter (BPD), femur length (FL), head circumference (HC), occipitofrontal diameter (OFD), abdominal circumference (AC), and humerus length (HL), as well as calculation of the estimated fetal weight (EFW).

What is BPD HC AC and FL in pregnancy?

Ultrasound measurements of biparietal diameter (BPD), head circumference (HC), abdominal circumference (AC) and femur length (FL) are used to evaluate fetal growth and estimate fetal weight.

What does the CM on an ultrasound mean?

Mean predicted. gestational sac (cm) Mean predicted. gestational age (wk)

Can you tell if baby has Down syndrome in ultrasound?

An ultrasound can detect fluid at the back of a fetus’s neck, which sometimes indicates Down syndrome. The ultrasound test is called measurement of nuchal translucency.

Which week is best for anomaly scan?

An anomaly scan is often referred to as “the twenty week scan” or “the detailed scan”. It is normally performed between 21 – 24 weeks gestation as this is the best opportunity during pregnancy to examine all the anatomy of your baby in great detail.

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When is third trimester ultrasound done?

During the third trimester of pregnancy the fetal ultrasound scan is performed with the help of the abdominal sensor within pregnancy weeks 34-36. At this stage of pregnancy the fetus has all vital organs fully developed and the period of fast growth and maturity continues.

What is the meaning of FL in pregnancy?

In the second and third trimester of pregnancy head circumference (HC), abdominal circumference (AC) and femur length (FL) were assessed.

Can we know gender by BPD?

The accuracy of male prediction reached 100% at a BPD of 22 mm and that of the female at a BPD of 23 mm. The discrepancies between real and assigned sex ob- served demonstrated that female sex was documented in a male fetus (14 cases) more frequently than male sex was documented in a female fetus (six cases).