"前置胎盤" meaning in Japanese

{
  "forms": [
    {
      "form": "前置胎盤",
      "ruby": [
        [
          "前",
          "ぜん"
        ],
        [
          "置",
          "ち"
        ],
        [
          "胎",
          "たい"
        ],
        [
          "盤",
          "ばん"
        ]
      ],
      "tags": [
        "canonical"
      ]
    },
    {
      "form": "zenchi taiban",
      "tags": [
        "romanization"
      ]
    },
    {
      "form": "zentitaiban",
      "tags": [
        "romanization"
      ]
    },
    {
      "form": "ぜんちたいばん",
      "roman": "zentitaiban",
      "tags": [
        "hiragana",
        "historical"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {
        "1": "ぜんち たいばん",
        "head": "前置胎盤",
        "hhira": "ぜんちたいばん"
      },
      "expansion": "前(ぜん)置(ち)胎(たい)盤(ばん) • (zenchi taiban) ^(←ぜんちたいばん (zentitaiban)?)",
      "name": "ja-noun"
    }
  ],
  "lang": "Japanese",
  "lang_code": "ja",
  "pos": "noun",
  "senses": [
    {
      "categories": [
        {
          "kind": "other",
          "name": "Japanese entries with incorrect language header",
          "parents": [
            "Entries with incorrect language header",
            "Entry maintenance"
          ],
          "source": "w"
        },
        {
          "kind": "other",
          "name": "Japanese links with redundant alt parameters",
          "parents": [
            "Links with redundant alt parameters",
            "Entry maintenance"
          ],
          "source": "w"
        },
        {
          "kind": "other",
          "name": "Japanese links with redundant wikilinks",
          "parents": [
            "Links with redundant wikilinks",
            "Entry maintenance"
          ],
          "source": "w"
        },
        {
          "kind": "other",
          "name": "Japanese terms with 4 kanji",
          "parents": [],
          "source": "w"
        },
        {
          "kind": "other",
          "name": "Japanese terms with redundant sortkeys",
          "parents": [
            "Terms with redundant sortkeys",
            "Entry maintenance"
          ],
          "source": "w"
        },
        {
          "kind": "other",
          "name": "Pages with 2 entries",
          "parents": [],
          "source": "w"
        },
        {
          "kind": "other",
          "name": "Pages with entries",
          "parents": [],
          "source": "w"
        },
        {
          "kind": "topical",
          "langcode": "ja",
          "name": "Obstetrics",
          "orig": "ja:Obstetrics",
          "parents": [
            "Developmental biology",
            "Medicine",
            "Pregnancy",
            "Biology",
            "Healthcare",
            "Body",
            "Gynaecology",
            "Sciences",
            "Health",
            "All topics",
            "Female",
            "Fundamental",
            "Gender",
            "Psychology",
            "Sociology",
            "Social sciences",
            "Society"
          ],
          "source": "w"
        }
      ],
      "glosses": [
        "placenta previa"
      ],
      "id": "en-前置胎盤-ja-noun-~YSg3tZa",
      "links": [
        [
          "obstetrics",
          "obstetrics"
        ],
        [
          "placenta previa",
          "placenta previa"
        ]
      ],
      "raw_glosses": [
        "(obstetrics) placenta previa"
      ],
      "topics": [
        "medicine",
        "obstetrics",
        "sciences"
      ]
    }
  ],
  "sounds": [
    {
      "ipa": "[d͡zẽ̞ɲ̟t͡ɕi ta̠ibã̠ɴ]"
    }
  ],
  "word": "前置胎盤"
}

{
  "forms": [
    {
      "form": "前置胎盤",
      "ruby": [
        [
          "前",
          "ぜん"
        ],
        [
          "置",
          "ち"
        ],
        [
          "胎",
          "たい"
        ],
        [
          "盤",
          "ばん"
        ]
      ],
      "tags": [
        "canonical"
      ]
    },
    {
      "form": "zenchi taiban",
      "tags": [
        "romanization"
      ]
    },
    {
      "form": "zentitaiban",
      "tags": [
        "romanization"
      ]
    },
    {
      "form": "ぜんちたいばん",
      "roman": "zentitaiban",
      "tags": [
        "hiragana",
        "historical"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {
        "1": "ぜんち たいばん",
        "head": "前置胎盤",
        "hhira": "ぜんちたいばん"
      },
      "expansion": "前(ぜん)置(ち)胎(たい)盤(ばん) • (zenchi taiban) ^(←ぜんちたいばん (zentitaiban)?)",
      "name": "ja-noun"
    }
  ],
  "lang": "Japanese",
  "lang_code": "ja",
  "pos": "noun",
  "senses": [
    {
      "categories": [
        "Japanese entries with incorrect language header",
        "Japanese lemmas",
        "Japanese links with redundant alt parameters",
        "Japanese links with redundant wikilinks",
        "Japanese nouns",
        "Japanese terms spelled with fourth grade kanji",
        "Japanese terms spelled with second grade kanji",
        "Japanese terms spelled with secondary school kanji",
        "Japanese terms with 4 kanji",
        "Japanese terms with IPA pronunciation",
        "Japanese terms with IPA pronunciation missing pitch accent",
        "Japanese terms with redundant sortkeys",
        "Pages with 2 entries",
        "Pages with entries",
        "ja:Obstetrics"
      ],
      "glosses": [
        "placenta previa"
      ],
      "links": [
        [
          "obstetrics",
          "obstetrics"
        ],
        [
          "placenta previa",
          "placenta previa"
        ]
      ],
      "raw_glosses": [
        "(obstetrics) placenta previa"
      ],
      "topics": [
        "medicine",
        "obstetrics",
        "sciences"
      ]
    }
  ],
  "sounds": [
    {
      "ipa": "[d͡zẽ̞ɲ̟t͡ɕi ta̠ibã̠ɴ]"
    }
  ],
  "word": "前置胎盤"
}

{
  "called_from": "parser/304",
  "msg": "HTML tag <span> not properly closed",
  "path": [
    "前置胎盤"
  ],
  "section": "Japanese",
  "subsection": "noun",
  "title": "前置胎盤",
  "trace": "started on line 2, detected on line 2"
}

{
  "called_from": "parser/1336",
  "msg": "no corresponding start tag found for </span>",
  "path": [
    "前置胎盤"
  ],
  "section": "Japanese",
  "subsection": "noun",
  "title": "前置胎盤",
  "trace": ""
}