S092 — NVSS Birth Data: United States 2024
CDC/NCHS (2025)
Open original source — www.cdc.gov
national statistics fertility_context
Curated public use: Use as United States demographic context; it is not a direct test of the C5 pathway.
Limitation: Source cards are evidence anchors, not proof that a linked claim is settled.
Source note: US 2024 births and fertility data provide a high-income but more pluralized fertility case.