15 June 2023
The first human embryo-like structures have been created from stem cells and reached a landmark stage of development, in a move that could help scientists study the causes of early miscarriages
26 March 2023
Using vaginal ultrasound scans to build detailed 3D images that show an embryo's growth could predict which pregnancies are most likely to end in miscarriage
22 February 2023
Your cells crackle with electric signals that guide embryonic development and heal wounds. If we can learn to tweak this “bioelectric code”, we might be able to prevent cancer and even grow new limbs
1 January 2023
Laboratory-grown sperm, placentas and embryos in animals will help us gauge why some pregnancies don't reach full term, but whether these procedures could one day be safe or even ethical in humans is unclear
21 October 2022
By modifying the embryonic skin cells of mice, researchers created hair follicles that grew up to 3 millimetres long over one month
25 August 2022
Embryo-like structures grown in an incubator instead of a uterus could lead to better treatments for infertility and a range of other medical conditions
17 June 2021
Scientists have discovered key molecular events that shape embryonic development in the second week of gestation, a critical stage when many pregnancies are lost
15 April 2021
Human-monkey chimeras produced by implanting human stem cells in macaque embryos could be used to study how cells develop, but some ethicists have raised concerns
22 March 2021
An embryo can reverse signs of ageing and appear younger than the fertilised egg from which it arose. This almost paradoxical finding suggests that embryos are able to rejuvenate, which could lead to ways of reversing age-related
29 November 2018
He Jiankui has now presented his controversial work at a gene editing summit in Hong Kong. CRISPR expert Helen O’Neill of University College London was there
