Abortion, Spontaneous (also known as Abortions, Spontaneous, Spontaneous Abortions): Expulsion of the product of FERTILIZATION before completing the term of GESTATION and without deliberate interference.

NIH MeSH · D000022Diseases

Abortion, Spontaneous

Also known asAbortions, Spontaneous · Spontaneous Abortions · Spontaneous Abortion · Abortion, Tubal · Abortions, Tubal · Tubal Abortion · Tubal Abortions · Miscarriage · Miscarriages · Early Pregnancy Loss · Early Pregnancy Losses · Loss, Early Pregnancy

Definition

Expulsion of the product of FERTILIZATION before completing the term of GESTATION and without deliberate interference.

MeSH classification

  • C12.050.703.039
  • G08.686.784.769.496.125

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Related concepts

Abortion, Habitual

Three or more consecutive spontaneous abortions.

Abortion, Incomplete

Premature loss of PREGNANCY in which not all the products of CONCEPTION have been expelled.

Abortion, Missed

The retention in the UTERUS of a dead FETUS two months or more after its DEATH.

Abortion, Septic

Any type of abortion, induced or spontaneous, that is associated with infection of the UTERUS and its appendages. It is characterized by FEV…

Abortion, Threatened

UTERINE BLEEDING from a GESTATION of less than 20 weeks without any CERVICAL DILATATION. It is characterized by vaginal bleeding, lower back…

Abortion, Veterinary

Premature expulsion of the FETUS in animals.

Abruptio Placentae

Premature separation of the normally implanted PLACENTA from the UTERUS. Signs of varying degree of severity include UTERINE BLEEDING, uteri…

Common questions about Abortion, Spontaneous

What does Abortion, Spontaneous mean in medicine?
Expulsion of the product of FERTILIZATION before completing the term of GESTATION and without deliberate interference. This definition is taken from the National Library of Medicine's MeSH (Medical Subject Headings) 2026 release, which is the standard vocabulary used to index PubMed and most medical literature.
Is Abortion, Spontaneous known by any other names?
Yes. Abortion, Spontaneous is also referred to as Abortions, Spontaneous, Spontaneous Abortions, Spontaneous Abortion, Abortion, Tubal in different clinical, research and patient-facing contexts. The MeSH descriptor groups all of these synonyms under a single canonical concept so research and records stay consistent.
Where does Abortion, Spontaneous sit in the medical classification?
Abortion, Spontaneous falls under the broader medical category "Diseases" in the MeSH hierarchy (tree numbers: C12.050.703.039, G08.686.784.769.496.125). Browsing the related concepts on this page takes you to neighbouring topics in the same branch of medicine.
Where can I get a plain-language explanation of Abortion, Spontaneous?
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Source: NIH MeSH 2026 (D000022) — National Library of Medicine, public domain. View official MeSH record ↗