Frozen sperm straws and embryos are stored in liquid nitrogen, in a process known as cryopreservation. One question confronting the courts: Should embryos such as these be treated as property, or as children subject to custody action?
Veronique Burger/Science Source
Stefano Gabbana (left) and Domenico Dolce, seen here during the recent Milan Fashion Week, are being criticized for remarks about same-sex families, sparking a boycott led by musician Elton John.
Daniel Dal Zennaro/EPA/Landov
The U.K. could become the first country to legalize the production of a human embryo from three donors. Here, the freezing platform for an embryo, top, also known as a straw, is seen at an in vitro fertilization lab.
A British scientific panel has been reviewing treatments for mitochondrial disease that involve using material from two women and one man with the goal of producing a healthy baby.