Word: vitro
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Dates: during 1990-1999
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...Jews of East European descent, a high-risk group. As a result of early identification, a few congenital conditions, such as spina bifida, a disabling hole in the spinal cord, are being treated in the womb by experimental surgery at about seven months. Sex-selection techniques based on in-vitro fertilization can reduce the risk of giving birth to a baby with sex-linked disorders, such as Duchenne muscular dystrophy and hemophilia, which affect only males...
...legal sense. The Johns Hopkins researchers took theirs from fetuses that had been aborted early in pregnancy. The Wisconsin group used blastocysts, clusters of about 140 cells that develop within a week after fertilization. (They were donated by couples who had extra blastocysts left over from in-vitro fertilization.) The scientists, however, were hardly indifferent to ethical concerns. At Johns Hopkins, for example, it took nearly four years of testimony in front of scientific and ethical review panels before the work could even begin. Says team leader John Gearhart: "The potential for these cells weighed very heavily into whether...
...Vitro Fertilization Institute of Fairfax, VA announced earlier this month that it has successfully sorted sperm by staining it with a fluorescent dye which helps differentiate male- and female-producing sperm...
Neither Fixsen nor Gelbart hails the new procedure as a major scientific achievement. Another method of sex selection--through in vitro fertilization--is available for parents who want to choose the sex of their child...
PREGNANT PAUSE Women undergoing in-vitro fertilization, listen up. Federal agencies are concerned about taking aspirin in combination with the blood thinner heparin to maintain a pregnancy. Worry: risk of hemorrhage...