最新试管婴儿技术有什么优势?

What are the advantages of the latest IVF technology?

什么是PGT-A?

国际最新技术PGT-A, 也称PGS.PGD是胚胎植入前遗传学诊断,PGT-A/PGS是胚胎植入前遗传学筛查。PGD可以筛查13、18、21、X、Y 5种染色体,在已知疾病的状况下选择筛查。而PGT-A/PGS技术可以在未知自身遗传疾病的状况下,针对全染色体进行筛查,其准确率已超过99%。

这项技术能极大地降低遗传疾病的发生,减少宝宝出生缺陷,使优生优育得到保障。此技术也可以达成医学需要的性别选择。

临床研究数据表明,35岁以上的女性受孕后,胚胎的染色体出现异常并流产的概率比较高,试管婴儿成功率也会大受影响。而PGS技术的运用能够有效提高35岁以上,之前试管婴儿屡次失败和反复流产女性提高试管婴儿的成功率。

与PGS技术不同,PGD技术针对的是特定基因(单条染色体上特定的DNA片段)的筛查,并依据筛查结果诊断胚胎是否携带可能导致特定疾病的基因突变。如果该胚胎的某个基因发生异常,新生儿就很有可能罹患某种特定疾病,例如囊性纤维性病变、地中海贫血症、唐氏综合症、猫叫综合症等。目前生殖中心的实验室可以通过PGD技术诊断出300种隐性疾病。

如果父母任一方是以上任一疾病的携带者,或者家族中有以上任一疾病的遗传史,便极有可能将决定该疾病的缺陷基因遗传给下一代。通过对特定基因的检测,此技术可以判断该胚胎是否可以发育为健康的胎儿,排除掉带有基因缺陷的胚胎,从而避免将基因突变的胚胎植入母体,确保有以上情况的父母能够生育

一个健康的宝宝。对于有特定遗传病史的人来说,能够帮助高危夫妇避免将重大的基因疾病传给下一代,使他们有机会生育一个健康的后代,而避免了传统产前检查中发现基因紊乱而不得不终止妊娠的无奈和痛苦。


其它问题

Other questions

  • 签证问题

    您可以到当地的旅行社申请签证,新加坡签证办2次入境或多次往返签证。如果您需要任何文件支持,可以随时联系我们。

  • 费用问题

    您可以点击右下角的客服框,与我们的客服联系。

  • 治疗需要多久?

    平均需要 4 - 5个星期

  • 什么是试管婴儿?

    试管婴儿是体外受精-胚胎移植技术的俗称,是指采用人工方法让卵细胞和精子在体外受精,并进行早期胚胎发育,然后移植到母体子宫内发育而诞生的婴儿。这个技术帮助了众多不孕不育的夫妻。如今先进的PGS技术可以更好地帮助夫妇生育基因健康的宝宝。

  • 试管婴儿合适人群

    1.不孕不育的男性和女性;2.想要生育健康宝宝的家庭,避免遗传病和先天疾病;3.因医学需要选择生男生女;

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