"nuchal scan" meaning in English

{
  "forms": [
    {
      "form": "nuchal scans",
      "tags": [
        "plural"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {},
      "expansion": "nuchal scan (plural nuchal scans)",
      "name": "en-noun"
    }
  ],
  "lang": "English",
  "lang_code": "en",
  "pos": "noun",
  "senses": [
    {
      "categories": [
        {
          "kind": "other",
          "name": "English entries with incorrect language header",
          "parents": [
            "Entries with incorrect language header",
            "Entry maintenance"
          ],
          "source": "w"
        },
        {
          "kind": "other",
          "name": "Entries with translation boxes",
          "parents": [],
          "source": "w"
        },
        {
          "kind": "other",
          "name": "Mandarin terms with redundant transliterations",
          "parents": [
            "Terms with redundant transliterations",
            "Entry maintenance"
          ],
          "source": "w"
        },
        {
          "kind": "other",
          "name": "Pages with 1 entry",
          "parents": [],
          "source": "w"
        },
        {
          "kind": "other",
          "name": "Pages with entries",
          "parents": [],
          "source": "w"
        },
        {
          "kind": "other",
          "name": "Terms with Finnish translations",
          "parents": [],
          "source": "w"
        },
        {
          "kind": "other",
          "name": "Terms with Mandarin translations",
          "parents": [],
          "source": "w"
        },
        {
          "kind": "other",
          "name": "Terms with Portuguese translations",
          "parents": [],
          "source": "w"
        },
        {
          "kind": "topical",
          "langcode": "en",
          "name": "Pregnancy",
          "orig": "en:Pregnancy",
          "parents": [
            "Body",
            "Gynaecology",
            "All topics",
            "Female",
            "Medicine",
            "Fundamental",
            "Gender",
            "Biology",
            "Healthcare",
            "Psychology",
            "Sociology",
            "Sciences",
            "Health",
            "Social sciences",
            "Society"
          ],
          "source": "w"
        }
      ],
      "glosses": [
        "An ultrasound performed on a pregnant woman to help determine the chances that the foetus may develop chromosomal conditions such as Down syndrome."
      ],
      "id": "en-nuchal_scan-en-noun-5xECtPvc",
      "links": [
        [
          "ultrasound",
          "ultrasound"
        ],
        [
          "pregnant",
          "pregnant"
        ],
        [
          "foetus",
          "foetus"
        ],
        [
          "chromosomal",
          "chromosomal"
        ],
        [
          "condition",
          "condition"
        ],
        [
          "Down syndrome",
          "Down syndrome"
        ]
      ],
      "synonyms": [
        {
          "english": "NT scan",
          "word": "nuchal translucency scan"
        }
      ],
      "translations": [
        {
          "code": "cmn",
          "lang": "Chinese Mandarin",
          "sense": "ultrasound performed on a pregnant woman",
          "word": "頸後透明帶掃描"
        },
        {
          "code": "cmn",
          "lang": "Chinese Mandarin",
          "roman": "jǐnghòu tòumíngdài sǎomiáo",
          "sense": "ultrasound performed on a pregnant woman",
          "word": "颈后透明带扫描"
        },
        {
          "code": "fi",
          "lang": "Finnish",
          "sense": "ultrasound performed on a pregnant woman",
          "word": "ultraäänikuvaus"
        },
        {
          "code": "pt",
          "lang": "Portuguese",
          "sense": "ultrasound performed on a pregnant woman",
          "tags": [
            "masculine"
          ],
          "word": "exame/teste de translucência nucal"
        }
      ],
      "wikipedia": [
        "nuchal scan"
      ]
    }
  ],
  "word": "nuchal scan"
}

{
  "forms": [
    {
      "form": "nuchal scans",
      "tags": [
        "plural"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {},
      "expansion": "nuchal scan (plural nuchal scans)",
      "name": "en-noun"
    }
  ],
  "lang": "English",
  "lang_code": "en",
  "pos": "noun",
  "senses": [
    {
      "categories": [
        "English countable nouns",
        "English entries with incorrect language header",
        "English lemmas",
        "English multiword terms",
        "English nouns",
        "Entries with translation boxes",
        "Mandarin terms with redundant transliterations",
        "Pages with 1 entry",
        "Pages with entries",
        "Terms with Finnish translations",
        "Terms with Mandarin translations",
        "Terms with Portuguese translations",
        "en:Pregnancy"
      ],
      "glosses": [
        "An ultrasound performed on a pregnant woman to help determine the chances that the foetus may develop chromosomal conditions such as Down syndrome."
      ],
      "links": [
        [
          "ultrasound",
          "ultrasound"
        ],
        [
          "pregnant",
          "pregnant"
        ],
        [
          "foetus",
          "foetus"
        ],
        [
          "chromosomal",
          "chromosomal"
        ],
        [
          "condition",
          "condition"
        ],
        [
          "Down syndrome",
          "Down syndrome"
        ]
      ],
      "wikipedia": [
        "nuchal scan"
      ]
    }
  ],
  "synonyms": [
    {
      "english": "NT scan",
      "word": "nuchal translucency scan"
    }
  ],
  "translations": [
    {
      "code": "cmn",
      "lang": "Chinese Mandarin",
      "sense": "ultrasound performed on a pregnant woman",
      "word": "頸後透明帶掃描"
    },
    {
      "code": "cmn",
      "lang": "Chinese Mandarin",
      "roman": "jǐnghòu tòumíngdài sǎomiáo",
      "sense": "ultrasound performed on a pregnant woman",
      "word": "颈后透明带扫描"
    },
    {
      "code": "fi",
      "lang": "Finnish",
      "sense": "ultrasound performed on a pregnant woman",
      "word": "ultraäänikuvaus"
    },
    {
      "code": "pt",
      "lang": "Portuguese",
      "sense": "ultrasound performed on a pregnant woman",
      "tags": [
        "masculine"
      ],
      "word": "exame/teste de translucência nucal"
    }
  ],
  "word": "nuchal scan"
}