What does the world’s ‘low-fertility’ future look like?
Decades of fretting about over-population and encouraging contraception and abortion have succeeded. But the dream of zero population growth has become a nightmare, a new study...
New study revives fears of ‘spermageddon’
Sperm counts around the world appear to have halved between 1973 and 2018. According to a study in the journal Human Reproduction Update, a team...
Another step forward towards artificial gametes
Have scientists moved a step closer to in vitro gametogenesis – creating human embryos from artificial eggs and sperm? In a paper published earlier this...