Genetics

Genome editing at the crossroads of scandal and cure

Genetic modification of babies in China one year ago was universally condemned. At the same time, CRISPR treatments are on their way into our clinics. Jacob Corn explains the difference.

Genetics

Ancient epigenetic changes silence cancer-linked genes

An epigenetic change, a form of DNA control, that deactivates some genes linked to cancer late in human development has been conserved for more than 400 million years, new research led by the Garvan Institute of Medical Research ...

Obstetrics & gynaecology

Do women regret embryo testing before IVF?

The most effective way to increase the odds that an embryo will successfully implant during in vitro fertilization (IVF) is genetic testing to see if the embryo is normal.

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Embryo

An embryo (irregularly from Greek: ἔμβρυον, plural ἔμβρυα, lit. "that which grows," from en- "in" + bryein "to swell, be full"; the proper Latinate form would be embryum) is a multicellular diploid eukaryote in its earliest stage of development, from the time of first cell division until birth, hatching, or germination. In humans, it is called an embryo until about eight weeks after fertilization (i.e. ten weeks LMP), and from then it is instead called a fetus.

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