"placenta previa" meaning in Spanish

{
  "forms": [
    {
      "form": "placentas previas",
      "tags": [
        "plural"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {
        "1": "f"
      },
      "expansion": "placenta previa f (plural placentas previas)",
      "name": "es-noun"
    }
  ],
  "lang": "Spanish",
  "lang_code": "es",
  "pos": "noun",
  "senses": [
    {
      "categories": [
        {
          "kind": "other",
          "name": "Pages with 2 entries",
          "parents": [],
          "source": "w"
        },
        {
          "kind": "other",
          "name": "Pages with entries",
          "parents": [],
          "source": "w"
        },
        {
          "kind": "other",
          "name": "Spanish entries with incorrect language header",
          "parents": [
            "Entries with incorrect language header",
            "Entry maintenance"
          ],
          "source": "w"
        },
        {
          "kind": "topical",
          "langcode": "es",
          "name": "Obstetrics",
          "orig": "es: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 praevia"
      ],
      "id": "en-placenta_previa-es-noun-scV6y8Co",
      "links": [
        [
          "obstetrics",
          "obstetrics"
        ],
        [
          "placenta praevia",
          "placenta praevia"
        ]
      ],
      "raw_glosses": [
        "(obstetrics) placenta praevia"
      ],
      "tags": [
        "feminine"
      ],
      "topics": [
        "medicine",
        "obstetrics",
        "sciences"
      ]
    }
  ],
  "word": "placenta previa"
}

{
  "forms": [
    {
      "form": "placentas previas",
      "tags": [
        "plural"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {
        "1": "f"
      },
      "expansion": "placenta previa f (plural placentas previas)",
      "name": "es-noun"
    }
  ],
  "lang": "Spanish",
  "lang_code": "es",
  "pos": "noun",
  "senses": [
    {
      "categories": [
        "Pages with 2 entries",
        "Pages with entries",
        "Spanish countable nouns",
        "Spanish entries with incorrect language header",
        "Spanish feminine nouns",
        "Spanish lemmas",
        "Spanish multiword terms",
        "Spanish nouns",
        "Spanish nouns with red links in their headword lines",
        "es:Obstetrics"
      ],
      "glosses": [
        "placenta praevia"
      ],
      "links": [
        [
          "obstetrics",
          "obstetrics"
        ],
        [
          "placenta praevia",
          "placenta praevia"
        ]
      ],
      "raw_glosses": [
        "(obstetrics) placenta praevia"
      ],
      "tags": [
        "feminine"
      ],
      "topics": [
        "medicine",
        "obstetrics",
        "sciences"
      ]
    }
  ],
  "word": "placenta previa"
}