Pathologic Function
threatened abortion
Subclass of:
Pregnancy Complications
Definitions related to threatened abortion:
  • Vaginal bleeding preceding the 20th week of gestation.
    NCI Thesaurus
    U.S. National Cancer Institute, 2021
  • (abortion, threatened) UTERINE BLEEDING from a GESTATION of less than 20 weeks without any CERVICAL DILATATION. It is characterized by vaginal bleeding, lower back discomfort, or midline pelvic cramping and a risk factor for MISCARRIAGE.
    NLM Medical Subject Headings
    U.S. National Library of Medicine, 2021
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