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Updated: Jan 17, 2026

FISH for Pre-implantation Genetic Diagnosis
Published on: February 23, 2011
[Expert consensus on the prenatal ultrasound screening, diagnosis, and genetic counseling for Limb developmental
Obstetrics And Gynecology Ultrasound Group Ultrasound Branch Of Chinese Medical Association1, Clinical Genetics Group Medical Geneticist Branch Chinese Medical Doctor Association, Group Of Genetic Disease Prevention And Control Birth Defect Prevention And Control Committee Chinese Society Of Preventive Medicine
1School of Life Science, Central South University, Changsha, Hunan 410119, China. wulingqian@sklmg.edu.cn.
Insights
Prenatal ultrasound and genetic testing are crucial for diagnosing fetal limb defects caused by genetic variations. This guidance aids early detection, intervention, and counseling for skeletal abnormalities.
Area of Science:
- Medical Genetics
- Prenatal Diagnosis
- Skeletal Dysplasias
Abstract:
Fetal limb development defects have a relatively high incidence among congenital skeletal development abnormalities, for which genetic variations are important causes. Standardized prenatal ultrasound screening, diagnosis, and genetic testing and counseling play a significant role in the early diagnosis, intervention, and treatment of limb development defects. This consensus provides practical operation methods for prenatal ultrasound screening and diagnosis of major long bones of the limbs (femur, tibia/fibula, humerus, ulna/radius) defects and complete absence of hands and feet, in addition with standardized guidance for the detection path of genetic variations and genetic counseling, with an aim to provide a systematic reference for prenatal diagnosis and counseling of fetal limb development defects in clinical practice.
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