Some congenital disorders can be detected before birth.

有些先天的疾病可以在出生前检测到。

Genetic testing can sometimes reveal a malformation before birth.

基因检测有时可以在出生前发现畸形。

The defect happens when a baby's top lip or mouth doesn't form properly before birth.

婴儿出生前上唇和下唇没有正常发育形成的时候，就会出现这种缺陷。

They are developed well before Birth and remain through life.

出生前abo抗原已发育完好且会终其一生.

They are developed well before birth and remain through life.

出生前ABO抗原已发育完好且会终其一生。

Onset ranges from before birth to adolescence or young adulthood.

发病时间可以从出生前到青春期或青年期。

Congenital heart disease occurs when the heart is malformed before birth, and is the most common of all birth defects.

先天性心脏病在婴儿出生之前发生在心脏出现畸形的时候，这几乎是所有先天缺陷的共同特点。

It may even determine whether someone is fat or thin before birth.

它甚至在出生之前就决定了某人或胖或瘦。

Others think our memories can go way back - perhaps even to before birth.

另一些人则认为我们能记住那之前的事——可能甚至能追溯至出生之前。

Closer at hand is the risk that interfering with genes before birth might culminate in a succession of serious birth defects, scientists say.

科学家认为，在婴儿出生之前对基因进行干预也许会引起一系列严重先天缺陷， 这个风险更具有迫切性。