When it comes to rare blood types, everyone will think of RH-negative panda blood. But there is another blood type that is more rare than panda blood, called "dinosaur blood", that is the Mumbai type.

When it comes to rare blood types, everyone will think of RH-negative panda blood. But there is also a type of blood type is more rare than panda blood , called "dinosaur blood", that is the Mumbai type. So far, less than 100 cases have been found, ranking among the world's top ten rare blood types - "Mumbai blood type". This blood type was named after its discovery in Mumbai in 1952.

Not long ago, a pregnant mother saw a doctor in a hospital in Changsha. During the diagnosis and treatment, the doctor found that the ABO blood type of pregnant women did not match the positive and negative typing. The positive shape showed the characteristics of o type , the anti-set shape showed the characteristics of B type , and the reverse screening was positive but negative. The abnormal result immediately aroused her high vigilance and immediately contacted the pregnant woman to find out the situation. The pregnant woman gave birth to her first two babies in an outer hospital and her blood type was RH negative.

The panda blood we are familiar with is one of RH negative blood , and the probability of having it is two thousandth, while the dinosaur blood that has appeared in Changsha recently is one hundred thousandth of the probability. It is estimated that less than 100 people in China have a record of this blood type. It was first discovered in Mumbai, India in 1952, so it is also called Mumbai-like blood. Because it is as rare as dinosaurs, it is named Dinosaur Blood.

ABO blood type is divided into four blood types according to the presence of antigen A and antigen B on the red blood cell membrane. In red blood cell , only antigen A is type A, and only antigen B is type B. If both antigen A and antigen B exist, it is type AB. Neither the two antigen is type O. Human serum of different blood types contains different antibodies, but does not contain antibodies against their own red blood cell antigen. For example, type A serum only contains anti-B antibodies. Type A, B, O blood accounts for about 30% of all ethnic groups in China, while type AB only accounts for about 10%.

It was not until modern medicine that scientifically explained the secret of blood type. In ancient times, blood type has always been the most mysterious existence, and we can often see scenes of recognizing relatives in costume dramas. When doubting the identity of the character in the play, the camera will immediately turn to the bowl containing special liquid, and the blood will not escape in the bowl, but will sink to the bottom of the bowl. When the blood of the two people merges, the expressions of the characters in the plot will immediately become vivid, sighing or crying again and again, and a costume ukiyo-e begins.

In order to ensure the accuracy of the test results, Director Zhang Biming led the staff of the blood transfusion department to continue to read a large amount of information and consulted blood transfusion experts inside and outside the province. Experts recommend blood type gene testing. Due to the limited testing conditions of the hospital and the actual situation of the blood type of pregnant women, after fully communicating with the pregnant women, Liu Qianxi contacted West China Hospital for free blood type gene testing for pregnant women.

results show that serology is Mumbai-like type B. The FUT-1 gene sequencing results are in accordance with FUT 1 * 01w . 37 (weak expression of H antigen) published by the ISBT International Society of Transfusion, and the FUT101W.37//FUT1*01W.37ABO gene sequencing results are in accordance with B101/O02 published by the ISBT International Society of Transfusion. The patient's gene expression is normal B-glycosyltransferase activity, and the ABO subtype caused by mutations in the ABO glycosyltransferase gene were excluded.

There are three people in Shenzhen, one in Guangzhou, one in Gansu, one in Fuzhou, one in Hebei, Tai'an One person has public information about Mumbai-like blood. Recently, I found another person in Changsha. These people must pay attention in their daily lives to avoid their physical accidents to the greatest extent and minimize the occurrence of large amounts of blood loss. For those with "dinosaur blood", it is recommended that relevant departments establish a complete information archive so that when relevant people need blood transfusions, they can obtain sufficient blood sources as soon as possible.

doctor reminds that pregnant women with rare blood type will face the dilemma of being unable to transfusion if they experience heavy bleeding or other bleeding during the operation. This type of people should pay special attention to their own health and safety in their daily lives. When this type of person needs blood transfusion, it is best to undergo autologous blood transfusion or infusion of blood lacking homotype H antigen. It is recommended to store your own blood in advance in case of emergency needs.