{
  "id": 652471,
  "title": "3D lifespan map suggests mouse ovaries keep a constant share of eggs primed",
  "url": "https://urgent.news/2026/08/12/3d-lifespan-map-suggests-mouse-ovaries-keep-a-constant-share-of-eggs",
  "topic": "tech",
  "section": "Tech",
  "published": "2026-08-12T09:00:02.000Z",
  "source": {
    "name": "Medical Xpress",
    "slug": "medical-xpress",
    "url": "https://medicalxpress.com/news/2026-08-3d-lifespan-mouse-ovaries-constant.html"
  },
  "original_language": "en",
  "account": null,
  "summary": "As mice age, their total egg reserve collapses around tenfold. Yet, according to a new study published in Nature Aging, the proportion of eggs in the brief window where a follicle is shifting from dormant to growing stays constant throughout life, at approximately 14%.",
  "key_points": [],
  "editors_take": null,
  "illustration": null,
  "coverage": {
    "outlets": 1,
    "also_reported_by": []
  },
  "ai_generated": true,
  "disclaimer": "Summaries, key points and the editor’s take are written by software from other outlets’ reporting and may contain errors — always check the linked original."
}