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四肢短小是一种严重的出生缺陷,是国家规定的产前诊断一项重要内容。临床上四肢短小的诊断标准为:B超测胎儿双顶径减去胎儿股骨长大于4cm;或B超测胎儿股骨长与胎儿足长之比小于0.88。引起四肢短小的因素很多,目前研究较为深入的主要集中在遗传学上。胎儿成骨发育不全(osteogene
Short limbs is a serious birth defects, prenatal diagnosis is an important part of the state. Clinically short limbs diagnostic criteria: B-fetus fetus biparietal diameter less than fetal femur longer than 4cm; or B-fetus fetus length and fetal foot length ratio of less than 0.88. Cause a lot of short limbs many factors, the current research more in-depth mainly in genetics. Fetal aplasia (osteogene