Babys
Of 14 couples using Microsort to conceive a girl, 13 were successful. babys Chinese pregnancy gender calender. "I hope that over the years we can see numbers large enough to call it safe," Copperman says, adding that he does not foresee ever offering it to his own patients. "But you can definitely call it science. "Like much technology, this science began with a narrow, lofty goal -- to help couples who are carriers for a specific subset of genetic flaws. babys Predict baby gender. There are 350 "X-linked" genetic disorders -- conditions like hemophilia and Duchenne's muscular dystrophy, which are most prevalent in boys. If an affected couple can be guaranteed a girl, they can be spared the wrenching decision of whether or not to terminate a second-trimester pregnancy. In the early 1990's, there were no such guarantees. babys Chinese-gender-charts. Fugger was the head of the cryobank at Genetics and I. V. F. at the time and had just pioneered the earliest use of frozen embryos for in vitro fertilization. Looking for his next project, he approached Lawrence Johnson, a scientist at the Department of Agriculture who had developed a machine for sperm sorting in farm animals. Female sperm, in all mammals, have more genetic material than male sperm, meaning they are larger, and Johnson's flow cytometer first dyed the sperm and then passed them one by one through a narrow opening. As they shuffled along they were zapped with a laser. The X-bearing sperm glowed more brightly, and the machine used that difference to sort X from Y. Johnson began his experiments in cattle and swine. By the time Fugger called, the flow cytometer had been used in the births of 400 animals, including sheep, pigs, rabbits and cows. The offspring born of the method appeared normal, as did the subsequent generation, so Genetics and I. V. F. licensed it from the U. S. D. A. and proceeded to figure out to how use the same techniques on people. First, the machinery had to be fine-tuned.
Babys
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