New 3D imaging reveals how sperm create spiral fluid structures that enhance propulsion, unlocking secrets of motion in ...

The infant was conceived using a workstation that uses AI and robotics to automate the steps required for in vitro ...

In humans, embryonic cell compaction is a crucial step in the normal development of an embryo. Four days after fertilization, cells move closer together to give the embryo its initial shape.

The earliest days after fertilization, once a sperm cell meets an egg, are shrouded in scientific mystery. The process of how a humble single cell becomes an organism fascinates scientists across ...

The earliest days after fertilization, once a sperm cell meets an egg, are shrouded in scientific mystery. The process of how a humble single cell becomes an organism fascinates scientists across ...

Single-cell characterization of healthy fallopian tubes revealed shifts in cell and gene expression throughout the menstrual ...

Scientists from the University of Adelaide have used some of the most sophisticated quantum cameras to capture life at its ...

The pollen grain then germinates into a tube that guides the male reproductive cells to the depths of the ovary, picking up signals along the way that reveal the location of an ovule. Blocking signals ...

Copyright 2025 The Associated Press. All Rights Reserved. Lab staff prepare small petri dishes, each holding several 1-7 day old embryos, for cells to be extracted ...

Two weeks after a human egg is fertilized, primordial germ cells (PGCs), which develop into sperm and eggs, are formed. In six to 10 weeks after fertilization, PGCs differentiate into pro ...