Explore the intricate relationship between ovarian reserve, egg quality, and reproductive aging. Discover how mitochondrial ...

Some experts advocate the use of ovulation-inducing agents to collect multiple eggs from the ovaries in one go. However, there is an ongoing debate on whether this approach can produce high-quality ...

Sharing the motivation behind their study, Prof. Yamagata explains, "Although the influence of ovarian stimulation on embryo quality has been described, this issue remains controversial. Here, we ...

Researchers have used naïve pluripotent stem cells to create an embryo model that looks and acts like a natural human embryo. They say it’s an ethical way of gaining a better understanding of ...

Some newly reported clumps of cells growing in lab dishes have been hailed as the closest things to human embryos that scientists have ever made in the lab. These entities are human embryo models — ...

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 ...

Advances in reproductive biology are revealing that ovarian aging is not only a matter of declining egg numbers but also a ...