All of the following are ultrasonographic fetal growth parameters except :
Correct Answer: Transcerebeller diameter
Description: Ans. is c i.e. Transcerebellar diameter Ultrasonographic 'fetal measurements' commonly used are : -- Crown Rump length Biparietal diameter -- Head circumference Abdominal circumference -- Femur length. All the parameters given above are : Primary biometric parameters. Transcerebeller diameter is a Secondary biometric parameter. Other secondary biometric parameters are : -- Binocular distance -- Cerebellar distance Clavicle length -- Radius length Ulnar length -- Tibia length Foot length. Best parameter for dating of pregnancy - Measurement of CRL in 1st trimester. Most sensitive parameter for assessment of fetal growth is abdominal circumference. Best age for assessment of gestation age in second trimester 14-20 weeks. Prediction of fetal gestational age using ultrasound biometric parameters
Category:
Gynaecology & Obstetrics
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