It can be used in various contexts:
* Describing someone's family status: "Elle est sans enfant." (She has no children.)
* Referring to a place or event: "Cet hôtel est idéal pour les couples sans enfant." (This hotel is ideal for couples without children.)
* In legal contexts: "Il a été déclaré sans enfant et héritier." (He was declared without children and heir.)
It's important to note that "sans enfant" is a neutral term and doesn't imply any judgment or preference about having children.