Health
Artificial embryo grown in a dish from two types of stem cells
For the first time, researchers have made something resembling a mouse embryo without using an egg cell, allowing them to probe the early steps of development
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For the first time, researchers have made something resembling a mouse embryo without using an egg cell, allowing them to probe the early steps of development
A study of some of the first children conceived using the ICSI technique suggests that, as adults, they have lower sperm counts than boys conceived naturally