Molar pregnancy

{
  "id": "MLC-T-ONC-005462",
  "term": "Molar pregnancy",
  "field": "Oncology and biomedicine",
  "definition": "A slow-growing tumor that develops from trophoblastic cells (cells that help an embryo attach to the uterus and help form the placenta) after fertilization of an egg by a sperm. A molar pregnancy contains many cysts (sacs of fluid). It is usually benign (not cancer) but it may spread to nearby tissues (invasive mole). It may also become a malignant tumor called choriocarcinoma. Molar pregnancy is the most common type of gestational trophoblastic tumor. Also called hydatidiform mole.",
  "synonyms": [
    "hydatidiform mole"
  ],
  "references": [
    "NCI Dictionary of Cancer Terms"
  ],
  "url": "https://mlchart.com/terminology/oncology/molar-pregnancy/"
}