# Smartphones arrived just before the US fertility rate plunged. One study says it’s a direct cause

> **Open Intelligence Dossier** · First detected: 2026-06-12 13:07 UTC · Category: Business

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*Canonical Source: https://pulse.byoviral.com/trend/2026-06-12/smartphones-arrived-just-before-the-us-fertility-rate-plunged-one-study-says-it*