پاورپوینت غربالگری وتشخیص پیش ازتولد Screening, PND and molecular genetic methods 48اسلایدهمراه باتصویر به زبان انگلیسی Prenatal Screening •This can detect a disorder before a baby is born. •An ultrasound test is used to determine if the fetus is at a high or low risk from a genetic disorder. •Disorders are diagnosed by examining a small amount of fetal cells. This carries a small risk to the fetus. •If diagnosed early in the pregnancy, there is still the possibility of abortion. First trimester maternal serum screening •free β- hCG , –hormone is produced by the placenta –increased in Down syndrome pregnancies. –Decreased in T18, T13 •PAPP-A , –pregnancy-associated plasma protein A, –produced by the fertilized egg –Decreased in T21, T18, T13 •nuchal translucency (NT) –fluid under the skin at the back of a baby's neck at 10-14 weeks – ...
پاورپوینت غربالگری,پاورپوینت غربالگری وتشخیص پیش ازتولد
برای پشتیبانی و خرید فایل به سایت فروشنده مراجعه بفرمائید
لینک سایت فروشنده فایل
ادامه مطلب ...
یکشنبه 12 خرداد 1398 ساعت 14:52