It’s ZP2’s transformation post-fertilization that creates an impenetrable barrier against additional sperm, ensuring that only one sperm can fertilize the egg.

The fertility industry is harvesting more and more eggs from women to use in IVF treatments. Bloomberg investigated how this ...

A new fertility technology developed by Gameto, using stem cells to help embryos mature outside the body, has led to the world’s first live human birth. This new technique, called Fertilo ...

Medical professionals and fertility clinics are prohibited, under penalty of law, from experimenting on a prospective parent(s) human reproductive material, including sperm, ovum, or embryo at any ...

Even if sperm and eggs are created from human iPS cells, the science ministry’s guidelines on basic research prohibits them from being used for fertilization.

An curved arrow pointing right. Scientists knew that that some animal eggs discharged zinc "sparks" during fertilization. But a recent study has found these fireworks also fly after sperm ...

The fertilized egg has all the mRNA needed for proteins during rapid cell division. What instructions prevent premature mRNA translation before fertilization? In the 1960s and 1970s, scientists ...

Federal Court Stops Biden Admin’s Title IX Gender Ideology Mandate Nationwide This Day in Liberal Judicial Activism—January 13 In reading Linda Greenhouse’s reflections on the HHS mandate ...