An insight into new ways of becoming a parent by a world-leading expert. Families come in all shapes and sizes: from the nuclear two-parent two-child unit to gay families, trans families, single parents, and babies conceived using donor eggs, sperm, or embryos, or carried by a surrogate. An expert in family relationships, Professor Susan Golombok has seen it all.In We Are Family, she looks at how different parenting set-ups can thrive, and asks the crucial question: what really makes a family?