Some donor-conceived people are finding hundreds of siblings. An international cap on donations could help prevent that.

If you've been struggling to build a family, the past year probably added obstacles that you would have never imagined: lockdowns and sheltering, clinics on hiatus, ovum donors and gestational ...

The sperm of a man carrying a rare genetic mutation linked to cancer was used to conceive scores of children across Europe, prompting calls for greater regulation and a limit on the number of births ...