Using the power of single-cell analysis, researchers have assessed the effects of age on egg cells (oocytes) in mice, particularly looking to identify genomic and epigenetic factors that relate to ...

It may soon be possible to coax human skin cells into becoming functional eggs and sperm using a technique known as "in vitro gametogenesis." This involves the creation (genesis) of eggs and sperm ...

Throughout much of the world, increasing numbers of women are delaying having their first child until they are in their late thirties, and even into their forties. At this age, their eggs are rapidly ...

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One of the immutable truths about being alive is that we age. This happens at every level, down to our cells. When they divide, our cells copy our DNA into each new cell. But as the weeks, months, and ...