Researchers at Yale University have identified a key molecule that helps activate sperm and guide them to the egg. This could make it a target for both infertility treatments and new contraceptive methods.
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An incredible new study has for the first time found a way to transform skin cells into all three of the stem cell types that make up an early-stage embryo. This extraordinary discovery points a way toward creating an embryo without the need for an egg or sperm.
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Human females are one of only five animals known to experience menopause and live past their reproductive prime, but why we evolved this way is still a mystery. Two new studies add weight to the hypothesis suggesting the presence of grandmothers increase survival rates for grandchildren.
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For decades male contraception has been limited to condoms or vasectomies, but there aren’t really any options between those two extremes. In the hunt for a useful middle-ground, a new method has been developed that so far seems to be relatively long-lasting, effective and reversible.
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Typically, if women want to know if they're ovulating, they have to perform a urine test or a basal body temperature analysis. Scientists at Harvard-affiliated Brigham and Women's Hospital are developing what they believe may be a better alternative, in the form of a smartphone-based saliva test.
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Uterus donors are so far limited to willing volunteers, which has made the procedure possible in only a handful of cases. Now, scientists have reported the first successful birth of a child after a uterus transplant from a deceased donor.
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The world’s first gene-edited human babies have been born in China. Professor Jiankui He claims that by removing a specific gene from the embryos using CRISPR-Cas9, the twin girls would have a natural immunity to HIV. But scientists question the safety, effectiveness and morality of the procedure.
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A new study has revealed a possible association between intellectual disability and some specific forms of Assisted Reproductive Technology (ART). Experts are urging caution when interpreting these results as it is unclear exactly what may be causing the increased rates of intellectual disability.
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The annual Global Burden of Disease study is a giant peer-reviewed assessment of global health trends. The results this year, published across a series of articles in The Lancet, present some concerning trends, from a worrying plateau in global mortality rates to a decline in global fertility rates.
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A new study offers one of the most comprehensive examinations to date into a long-running debate, finding that men who wear boxers do indeed have better sperm counts and healthier reproductive hormone levels than their tight underwear counterparts.
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