New research has mapped the cell types that specialize to form reproductive organs in both sexes, identifying key genes and signals that drive this process. The findings offer important insights into ...

President Donald Trump issued an executive order defining the terms "male" and "female" based on whether a person belongs "at conception" to the sex that produces sperm or eggs. Neither sperm nor eggs ...

Scientists at the Wellcome Sanger Institute and EMBL’s European Bioinformatics Institute (EMBL-EBI) in Hinxton mapped the ...

In 2017, Ashley Moffett, a reproductive immunologist, walked to the pharmacy near her laboratory at the University of Cambridge, UK, to buy a pregnancy test. But it wasn’t for Moffett. Her postdoc, ...