It is nearly impossible to tell if an egg sitting on the counter is fertilized or not by eyeballing it. Some chicken farmers ...

Scientists created the eggs using DNA from adult skin cells, a step that could someday potentially lead to new ways to treat ...

Sex cells made from scratch could revolutionize human reproduction. But researchers are struggling to translate promising ...

In a controversial step that raises the possibility of a new kind of infertility treatment, scientists report that they have produced functional human eggs in the lab that were able to be fertilized ...

Once a sperm has broken through to an egg cell in order to fertilize it, the two cells need to hold together tightly. This ...

The embryos all had chromosomal abnormalities and weren’t meant to lead to a pregnancy. But the results open up questions about potential infertility treatments in the future. Follow topics and ...

Scientists have developed functional eggs from ordinary human skin cells, a proof of concept that could open up new ways to ...

Blood pregnancy tests can tell you if you're pregnant 6 to 14 days after conception. You'll need to wait longer before taking a urine test.

Researchers at Oregon Health & Science University (OHSU) have developed a remarkable new way for making human body cells ...

Scientists have used an experimental approach to form human eggs in the lab that can then be fertilized with a second individual's DNA. | Credit: Natalia Lebedinskaia via Getty Images Scientists have ...

Early lab work shows reprogrammed skin cells can yield embryos, hinting at future infertility solutions but raising safety questions that demand more study. Infertility affects millions of people ...