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英语翻译内容:Karl Landsteiner first thought of naming blood types

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英语翻译
内容:Karl Landsteiner first thought of naming blood types in 1900.He put blood into four types.These four blood types were named A,B,AB and O.
Blood type O is the most common around the world.Blood type A is second most common ,and type AB is the least common.
Doctors try to give blood to a person according to the person's blood type.Blood type O can be given to a person with any other blood type,but doctors prefer to match a patient's blood type if they can.Doctors also need to make sure that the"Rh factor"in patient's blood matches the blood they are given.If people have one kind of protein in their blood.they are positive(Rh+).If people do not have the protein,they are Rh negative(Rh-).Most people are Rh+.
If a mother has an Rh- blood type,she may have trouble when she has a baby.If her baby is Rh+,the baby's blood may mix with her mother's blood before the baby is born .The mother's blood will change.If the mother has another Rh+ baby ,the mother's blood will attack the baby's blood.The baby may die or become sick.Doctors have to watch the mother and baby carefully in these cases.
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英语翻译内容:Karl Landsteiner first thought of naming blood types
在1990年 Karl Landsteiner首次给不同的血液类型以命名.他把血型分为四类,分别是A型,B型,AB型和O型.
O型血是在世界范围内最常见的血型,其次是A型血,而AB型血是最少见的.
医生主要参考病人的血型来给病人输血.O型血可以输给任意四种血型的人,但是医生们还是尽量做到血型的匹配.医生们还要确保输血者与病患的Rh 因素的匹配.如果一个人的血液中有某种蛋白质的话,那么他的便是rh成阳性,反之则为阴性,大多数人为阳性.
如果一位母亲血液rh呈阴性,她怀孕时可能出现一些问题.如果他的孩子血液rh呈阳性,那么在孩子出生以前他的血液可能与母亲的血液相混.如果这位母亲还有一个rh阳性的孩子,那么这位母亲的血液将会攻击孩子的血液,从而可能导致孩子的死亡或疾病.在这种情况里,医生需要悉心照顾好母亲和孩子.
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