Pregnancy quiz: Can you deliver on the science of growing babies?
Sophie Berdu·2026-05-09·via Latest from Live Science
Pregnancy starts on the first day of the last menstrual period before conception.
(Image credit: JGI/Jamie Grill via Getty images)
Staff writer
Sophie is a U.K.-based staff writer at Live Science. She covers a wide range of topics, having previously reported on research spanning from bonobo communication to the first water in the universe. Her work has also appeared in outlets including New Scientist, The Observer and BBC Wildlife, and she was shortlisted for the Association of British Science Writers' 2025 "Newcomer of the Year" award for her freelance work at New Scientist. Before becoming a science journalist, she completed a doctorate in evolutionary anthropology from the University of Oxford, where she spent four years looking at why some chimps are better at using tools than others.
You must confirm your public display name before commenting
Please logout and then login again, you will then be prompted to enter your display name.