IVF is growing in popularity for women who don’t want babies until later in life. But as more are finding out, it isn’t a guarantee. With comments from our Ruth Faden.

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Matteo, 25, a suitor on The Bachelorette, says he is a sperm donor with 114 kids—is that too many? The US has never considered this issue a necessary one to regulate. While countries such as the UK, Germany, and the Netherlands limit how many children a single donor can have

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Alexandria Ocasio-Cortez, nonprofits, and ethicists are now publicly addressing questions about procreation in the age of climate change. Travis Rieder at the Johns Hopkins Berman Institute of Bioethics points out that this is not the first time a generation has questioned childbearing in the face of a potential existential threat

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In the future, we may be making eggs and sperm from our skin. A lot has to happen first. With comments from our Travis Rieder

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The happy household of a onetime tabloid curiosity – with comments from our Jeffrey Kahn

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Advance reveals genetic factors that require mammals to reproduce using two sexes

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Women have more options, for one. But a new poll also shows that financial insecurity is altering a generation’s choices

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Dutch scientists have built “synthetic” embryos in their laboratory using mouse cells other than sperm and eggs. The stem cell breakthrough, described in Nature journal, is not for cloning people or animals, but about understanding why many pregnancies fail at an early stage – implantation

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