無創產前Y染色體基因檢測

選⽤無創產前Y染⾊體檢測，可及早發現染⾊體遺傳病基因⾵險，保障寶寶的健康！

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SERVICE INTRODUCTION產品及技術介紹

早在 1997 年，本港科研團隊發現孕婦外週⾎包含胎兒游離基因 (cffDNA)，⽽⼤部份胎兒游離基因來⾃胎盤在胎兒生長及發育時候，基因物質透過：

新陳代謝
損毁

變成游離基因片段，再透過胎盤進入孕婦的血液循環系統中。弘⾼無創產前Y染⾊體檢測透過利⽤擴增技術及36對特異引物去識別⾎液中的Y染⾊體，把胎兒游離基因⽚段複製數百萬⾄千萬倍，檢測出樣本是否含有男性Y遺傳物質SRY (Sex-determining region) 基因⽚段。

弘高基因化驗所很榮幸獲得由 CORPHUB (Hong Kong Most Outstanding Services Award) 及 MYTHFOCUS (Hong Kong Most Valuable Corporate Award) 頒發的 2021年度 ”香港優秀基因化驗服務大獎“ 以表弘高在基因檢測領域上的貢獻及成就。

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TESTING PROCESS檢測流程

諮詢詳情

向你的婦科醫⽣了解
無創產前Y染⾊體
基因檢測⽅法

樣本採集

只需抽取
兩支6毫升⾎液
便可進⾏測試（無需空腹）

基因定序

採⽤36對特異引物去識別
⾎液中極微量的Y基因，
並以⽣物資訊分析測定結果

報告完成

報告於5⼩時內完成，
並可於弘⾼官網上查閱
電⼦版報告

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IMPORTANCE OF TESTING檢測的重要性

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如果媽媽是X染⾊體遺傳病基因攜帶者，男性的胎兒就有50% 機會患病。透過檢測可及早發現染⾊體遺傳病基因⾵險。

常⾒的X染⾊體聯鎖隱性遺傳疾病：

道爾頓症 (⾊盲)
甲型⾎友病
⼄型⾎友病
杜興⽒肌⾁營養不良症
⾙克型肌⾁萎縮症
G6PD 缺乏症

BENEFITS 弘⾼Y染⾊體檢測優點

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準確可靠

99.99%

準確率

0.01%

偽陽性率低於

36個

Y染⾊體指標

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FAQ常見問題

哪些因素會影響檢測結果?

⺟體⾎液中胎兒游離基因含量偏低
限制性胎盤嵌合體 (CPM) 現象
前次懷孕或者流產的胎兒細胞殘留
雙胎妊娠其中⼀胎兒停⽌存活
曾接受異體輸⾎
曾接受器官、細胞移植
曾服⽤藥物（例如：抗凝⾎藥、⼈體胎盤）
基因變異
非真空採血
使用不符合「弘高」化驗所要求的採血管
提供溶血、冰凍、凝結、不足12毫升的樣本

哪些人合適做無創產前Y染⾊體基因檢測？

早期懷孕的孕婦（4週或以上即可檢測）
懷孕胎數: 單胎、雙胞胎或多胞胎
自然懷孕或人工方式受孕之孕婦
選擇非入侵性產前檢查（避免胎兒宮內感染、減低流產風險）
有家族病史的夫婦

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SERVICES其他服務

無創產前Y染色體基因檢測

無創產前Y染色體基因檢測

無創產前基因檢測，可以輔助醫生進行遺傳病的產前節查，避免遺傳給下一代。孕婦懷孕10週或以上即可進行檢測（包括雙胞胎）。

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+852 2882 2201

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弘高醫療集團基因化驗所有限公司 | 沙田安心街11號華順廣場7樓708AB-09室

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