Step one: very small, immature human eggs within ovarian tissue are placed in culture in the lab, and begin to develop Step two: after initial development, eggs have grown and are more than double ...

A Northwestern Medicine study has shed light on one of the most intricate construction projects in biology: how cells build ...

Age may influence an a human egg cell's ability to process gene products essential for the last steps of its development. The final maturation stage is critical for reproduction because it provides ...

BEIJING, Jan. 29 (Xinhua) -- After years of dedicated research, a team of Chinese scientists has unveiled critical mechanisms governing early human embryonic development, offering novel theories and ...