amniocentesis

US

・

UK

A1 初級
n.名詞羊水診斷

影片字幕

什麼是唐氏綜合症（21 三體綜合徵）？唐氏綜合症（21 三體綜合徵）輕鬆易懂 (What is Down Syndrome (Trisomy 21)? Down syndrome (Trisomy 21) Made Easy)

06:49什麼是唐氏綜合症（21 三體綜合徵）？唐氏綜合症（21 三體綜合徵）輕鬆易懂 (What is Down Syndrome (Trisomy 21)? Down syndrome (Trisomy 21) Made Easy)
B2 中高級

脆弱X綜合症 (Fragile X syndrome)

27:21脆弱X綜合症 (Fragile X syndrome)
B2 中高級