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Should Embryos With A Hereditary Disorder Be Transferred If No Unaffected Embryos Are Available?

The numbers of cycles of preimplantation genetic diagnosis or screening are rising steadily in Europe with over 2,700 reported in 2004 (the most recent year for which data are available). Fertility centres are able to screen for a growing number of genetically related conditions, but what should doctors do if no embryos without the targeted condition are available for transfer and the parents request that affected embryos should be transferred instead?

Should embryos with a hereditary disorder be transferred if no unaffected embryos are available?

Barcelona, Spain: The numbers of cycles of preimplantation genetic diagnosis or screening are rising steadily in Europe with over 2,700 reported in 2004 (the most recent year for which data are available). Fertility centres are able to screen for a growing number of genetically related conditions, but what should doctors do if no embryos without the targeted condition are available for transfer and the parents request that affected embryos should be transferred instead?

Frozen embryos do better in IVF

Frozen embryos do better than fresh. That's the surprising conclusion of a study of children conceived by IVF – which actually set out to address concerns that freezing might harm embryos.

Frozen embryos `better than fresh`

London, July 09: Frozen embryos are better than fresh when it comes to producing healthier babies using in-vitro fertilisation, a new study has revealed.

Scientist: Hybrid embryos produced quickly

British scientists say they have produced nearly 300 hybrid embryos since they began inserting human DNA into cow eggs in January.

Scientist: Hybrid embryos produced quickly

Newcastle -- British scientists say they have produced nearly 300 hybrid embryos since they began inserting human DNA into cow eggs in January.

Scientist: Hybrid embryos produced quickly

NEWCASTLE, England, June 20 (UPI) -- British scientists say they have produced nearly 300 hybrid embryos since they began inserting human DNA into cow eggs in January.

Human-pig hybrid embryos given go ahead

A licence to create human-pig embryos to study heart disease has been issued by the fertility watchdog.

Children born from frozen embryos weigh more and do better than those born after fresh transfer

Barcelona, Spain: Children born after a frozen, thawed embryo has been replaced in the womb have higher birth weight than those born where fresh embryos were used, Danish scientists reported to the 24th annual conference of the European Society of Human Reproduction and Embryology today (Tuesday 8 July). The mothers had longer pregnancies, and the children did not show an increased risk of congenital malformations, said Dr. Anja Pinborg, from the Copenhagen University Hospital Rigshospitalet, Copenhagen, Denmark.

New test can help spot best embryos: researchers

BARCELONA (Reuters) - The same infrared technology that measures fat content in milk can more accurately predict which embryos have the best chance of resulting in a pregnancy, fertility experts said on Tuesday.

New test can help spot best embryos: researchers

BARCELONA (Reuters) - The same infrared technology that measures fat content in milk can more accurately predict which embryos have the best chance of resulting in a pregnancy, fertility experts said on Tuesday.

New test can help spot best embryos: researchers

BARCELONA (Reuters) - The same infrared technology that measures fat content in milk can more accurately predict which embryos have the best chance of resulting in a pregnancy, fertility experts said on Tuesday.

New fertility technique uses fewer embryos

A new fertility technique called vitrification has resulted in the birth of a healthy baby girl in Britain.

Supercomputer, simpler physics explain star embryos

BEIJING, Aug. 1 (Xinhuanet) -- A new model construct that follows the simpler physics that dominated the early universe has produced a new supercomputer simulation that offers the most intricate view yet of how the first stars evolved following the Big Bang.

In Vitro Fertilization Works Better for Frozen Embryos

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[REPORTS] Autophagy Is Essential for Preimplantation Development of Mouse Embryos

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The Future of Babies: Artificial Wombs and Pregnant Grandmas

Artificial wombs and experiments on human embryos grown in the lab will be commonplace and no big deal ethically in 30 years, several scientists predict.

Frozen embryo babies just as healthy: researchers

BARCELONA (Reuters) - Babies born from frozen embryos weigh more, have no greater risk of birth defects and are as healthy or healthier than those conceived using fresh ones, Danish researchers said on Tuesday.

Frozen embryo babies just as healthy: researchers

BARCELONA (Reuters) - Babies born from frozen embryos weigh more, have no greater risk of birth defects and are as healthy or healthier than those conceived using fresh ones, Danish researchers said on Tuesday.

Frozen embryo babies just as healthy: researchers

BARCELONA (Reuters) - Babies born from frozen embryos weigh more, have no greater risk of birth defects and are as healthy or healthier than those conceived using fresh ones, Danish researchers said on Tuesday.

Using Live Fish, New Tool A Sentinel For Environmental Contamination

Researchers have harnessed the sensitivity of days-old fish embryos to create a tool capable of detecting a range of harmful chemicals.

Molecular Switch Helps Decide Cell Type In Early Embryo Development

Researchers have discovered a central molecular switch in fruit fly embryos that opens new avenues for studying the causes of birth defects and cancer in humans. Writing about their study in the Aug. 12 Developmental Cell, scientists at Cincinnati Children's Hospital Medical Center determined the switch to be a main tuning mechanism for instructing cells whether to form sensory nerves or blood cells in different parts of the body.

Genetic find puts scientists a step closer to generating replacement organs

Canadian researchers say they have found a reliable way to direct the growth of stem cells from human embryos, taking an important step toward generating replacement parts for ailing patients.

Presidential Elections Will Force Stem Cell Showdown

It's often hard to evaluate the competing claims made for stem cells, which -- thanks to the necessity of destroying embryos to make embryonic stem cells -- have been the scientific centerpiece of the culture wars for nearly a decade.

UK Approves Human-Pig Embryo Stem-Cell Harvest

An anonymous reader writes "British biologists have received government approval to create the world's first human stem cells from hybrid embryos, part pig, part human. The Warwick Medical School team, led by Justin St. John of the Clinical Sciences Research Institute, was granted the country's third animal-human embryo license from the Human Fertilisation and Embryology Authority, which goes into effect today (July 1)." The above link requires (free) registration; the Telegraph's coverage does not.

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