The sperm and the egg cell's nuclei compete for size directly after fertilization and this is necessary for proper embryonic ...

Cell division during the early stage of embryo development is a trade-off between speed and accuracy; the cells need to ...

(BOSTON) — More than one-sixth of adults around the world experience infertility in their lifetime. There is a high unmet need not only for increased access to affordable, high-quality fertility care ...

Researchers have developed a method for culturing fertilized chick eggs without their shells. The eggs were placed in an artificial culture vessel made of transparent film, allowing for real-time ...

Sperm cell navigation, egg cell fertilisation, and early embryo development are negatively affected by simulated low gravity (microgravity) conditions, according to a study involving human, mice and ...

Betsy Trice: The pip is the very first crack in the shell that you’ll see. And the chicks create this from something called an egg tooth. It’s a little hard growth that’s on the tip of their beak. And ...

The time of year when eggs are collected from women’s ovaries during fertility treatment makes a difference to live birth rates, according to new research published today (Thursday) in Human ...

The ability to create egg cells from human skin represents one of the most extraordinary frontiers in reproductive science. Researchers are exploring how to reprogramme ordinary body cells into viable ...