Embryos made without sperm or eggs reveal why many pregnancies fail

June 1, 2026

digitally enhanced image of an embryo

(New Scientist) – Embryo organoids made from stem cells are enabling scientists to recreate early pregnancy in the lab, unlocking treatments for infertility, miscarriage and pre-eclampsia

The very first days of pregnancy have long been an enigma. Scientists are unable to peer inside the uterus during pregnancy, meaning we know little about why so many fail. This is now beginning to change, thanks to embryo models created from stem cells, which are lifting the lid on one of the great mysteries of human biology. (Read More)