HealthEmbryos made without sperm or eggs reveal why many pregnancies fail Embryo organoids made from stem cells are enabling scientists to recreate early pregnancy in the lab, unlocking treatments for infertility, miscarriage and pre-eclampsia Features
HumansWhy is childbirth so hard for humans – and is it getting even harder? Some think the rise of C-sections means that one day all births will require serious medical intervention. But a surprising new understanding of the pelvis suggests a different story Features