Advances in organoids and embryonic models of human development have the potential to prompt social and existential questions—e.g., what defines human individuality? However, bioethicist Insoo Hyun of ...

Scientists are exploring ways to mimic the origins of human life without two fundamental components: sperm and egg. They are coaxing clusters of stem cells – programmable cells that can transform into ...

Endometrial thickness above 6 mm does not significantly correlate with clinical pregnancy or live birth rates in frozen embryo transfers.

New assisted reproductive technologies, embryo pooling and banking, are transforming fertility treatments. Embryo pooling ...

Frozen embryos are filling storage banks around the world. It's a struggle to know what to do with them. Lisa Holligan already had two children when she decided to try for another baby. Her first two ...