birth rate

Polycystic ovary syndrome: We’re closing in on how genetics causes PCOS

Polycystic ovary syndrome: We’re closing in on how genetics causes PCOS

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An illustration of polycystic ovary syndrome, in which the ovaries become enlarged. Scientific photo library / Alamy We've finally figured ...

Common IVF test misses some genetic abnormalities in embryos

Common IVF test misses some genetic abnormalities in embryos

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Color light micrograph of a human embryo after in vitro fertilization ZEPHIR/SCIENTIFIC PHOTO LIBRARY During in vitro fertilization (ECO), embryos ...

Hidden ecosystem of the ovaries plays a surprising role in fertility

Hidden ecosystem of the ovaries plays a surprising role in fertility

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A network of nerves (white) throughout a mouse ovary (left) and in a fragment of a human ovary (right), adjacent ...