Trolltech secret of multiple births

Montana, announced a spokesman for the hospital, Jup from Alberta, Canada, Calgary. 11, she gave birth by caesarean section, "born two months prematurely," the four daughters, and named for their fall, Brooke, Kali Sha and Dalia. The hospital said the four girls of between 1.18 to 0.98 kg body weight between the physical condition they are currently still "very good."
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December 1998, the world's first case of survival of all eight births in the United States born in Houston. April 1964, a Brazilian peasant one birth next ten births, a total of 8 men and 2 women, to become the worldMultiple birthsA survival record. July 1971, the Italian obstetrician, Dr. Meng Tanning from a 35-year-old woman's womb in the profile total of 10 women, 5 men and 15 fetuses, which is a world record for most births, but all failed to survive the fetus.



Maternal Health and the same below 35 years old egg quadruplets

Because not enough hospital beds in Calgary, Jup husband drove more than 500 kilometers, came to Great Falls, Montana hospital. It is reported that there are two of the four births of 16 babies have been transferred to Calgary the night in a hospital to continue treatment, the other two cases the baby will be more stable after the transfer to Calgary. U.S. doctors said that the four babies have to undergo a four to six weeks in the hospital for observation.



Monozygotic multifetal embryo formed from the same egg split, the probability of its occurrence and development than the eggs made by a number of dizygotic multiple births are much smaller. Calgary Health officials said the women taking fertility drugs, or pregnancy were older, will lead to the generation of multiple births. In Canada, triplets and quadruplets in the number of cases between 1975 and 1990, an increase of 4 times so last year alone there have been about 66 cases and 7 cases of quadruplets quintuplets.



The "quadruplets" parents already have a 2-year-old son Simon. Also the birth of quadruplets is a big GAP couples the financial burden. While the Calgary Health Authority agreed to bear the GAP mother and daughter in the U.S. health care costs, but Jup back to Calgary $ 800 per day is also in need of special care, in addition, nursing her four daughters as high as $ 2,500 per day above. Nevertheless, the couple of the kids still optimistic about the prospects for the future.



The U.S. record on the case "with the egg quadruplets" was born in April 2006, their mother is a 26-year-old Indian woman.



The mystery of multiple births:

Few women also gave birth to a pregnancy can be two or more fetuses, which is often said that the phenomenon of twins or multiple births. 

This behavior is by accident or have some rules to follow? Famous life scientists, Professor Xilin the history of human reproduction through painstaking research, presented an interesting "resistant rule": that every human pregnancy 89, it is possible to nurture a twins; every 892 pregnancies, there may be a triplet birth; 893 times for each pregnancy, there may be a birth of quadruplets. And more than one birth mother of quadruplets are extremely rare, it is not as a statistical object. In addition, a U.S. magazine recently published a medical data is that: the incidence of multiple births is gradually improving, such as quadruplets is possible that 41 million pregnant women occurred in 1 case. 



Experts also believe that, if not disappearing phenomenon of multiple births, multiple births of mankind is at least three times. More than 70% of pregnant women after conception typically harbor more than two fetuses, but fetal development to wait until 4 to 5 months, only one of the joint. According to the analysis, there are two reasons: one is unstable fetal implantation, in addition to a fetus roots, the rest being absorbed by the mother in some way; other is the "fratricide", that is a strong maternal fetal nutrition in order to compete will be one or several small fetus absorbed or curb its development. Teeth often found in the human body, hair, torso and other "parasite child" phenomenon might be "fratricide, compared fry too hasty," the results. If the establishment of this point of view, you can change the past "is a single viviparous animals, the basic human" argument.




So, how much human time up to child birth? July 22, 1971, the Italian obstetrician, Dr. Meng Tanning, from a 35-year-old woman's womb in the profile total of 10 women, 5 men and 15 fetuses, which is a child birth up to the world record, but because of fetal weight too light, all is not alive. Another Brazilian peasant woman named Shada Road, on April 20, 1964 one birth for 8 males and 2 females for 10 tires. The 10 brothers and sisters all active and healthy, and now all over 30 years old and married, becoming the world's first surviving multiple birth record. 



The lifetime fertility of women in the highest recorded number of multiple births, the number of Italian to German to Shakespeare, 58. In 1984 she gave birth to her 73 children. Since the 15-year-old married, she has a total of 13 child birth singleton births, 15 births of twins, 8 tires three children and a child quadruplets, and all alive. When she gave birth to a son last after a heart attack due to the implementation of the sterilization, or else she did not know how many anecdotes to come to birth, but her birth created a world record of multiple births has not been to broken. 



It has often been some of the twins looks, or even living habits, social experience, illness and even death symptoms similar phenomenon completely attracted to that very mysterious. So, these "resembles" phenomenon to explain whether the use of science? The answer is yes. 



In fact, a single egg of a multiple birth multiple births and multiple births and more eggs of the points. Under normal circumstances, a fertilized egg can develop into a fetus, if the fertilized egg in the blastocyst stage by a split into two or more cell populations, and gradually develop into more than two fetuses, it is called multi-cell single-egg child. Placenta monozygotic twins is only one, two or more fetal umbilical cord and placenta each of which has a contact. Because of these multiple births are the same genes, so their same sex, voice and facial expression resembles, and even loving personality, gestures are almost identical. 



If two or more women a discharge egg and sperm were combined into two or more fertilized eggs and implantation in the womb were developed, and then develop into more than two fetuses, such multiple births and more eggs will be called Multi births. Because they are two different fertilized eggs grow and develop, each with a placenta, the genes varies, signs may not be similar to the appearance, character, demeanor, manners, aspirations, there are differences not only fun, but very different in many ways. 



The results show that the single egg of more eggs of multiple births and the proportion of multiple births occurred about 3:7, the former affected by congenital large camp, which the growth and character development are acquired to form the multi-environment impact. 



January 15, 1990 afternoon, Wuxi City, × Le Zizi women greeted the king of the "four little dragons." Three of the "Dragon" is a fission and breeding eggs, the other a "dragon" is a single egg a single child, that three children from a single egg and a single egg Combination of single-child brother, it is rare quadruplets. Even more interesting is that they can distinguish the blood. AfterBloodExamination, the boss, the second, the third son's blood type is B, ranks the fourth for the A type. Monozygotic triplets are similar because of their genes, some people prejudge the three brothers who grew up appearance, size and its air of behavior will be very similar, whether the fourth brother and three brothers in all aspects of it are vastly different ? not be conclusive. As a rare precious object of study, the "four little dragons" of the life trajectory will be tracking hotline, as scientists explore the mysteries of human genetics research hot topic.