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  "path": "/health/reproductive-health/no-one-knows-what-they-are-researchers-discover-new-type-of-cell-thats-seen-only-during-pregnancy",
  "publishedAt": "2026-04-08T21:01:04.000Z",
  "site": "https://www.livescience.com",
  "tags": [
    "Reproductive Health",
    "Health"
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  "textContent": "A new map of the \"maternal-fetal interface\" reveals a new type of cell, as well as the types of cells most likely to be affected in conditions like preeclampsia.",
  "title": "'No one knows what they are': Researchers discover new type of cell that's seen only during pregnancy"
}