Evidence map›Paper›PMID 30893263›Full record

ArticleJournal of the Chinese Medical Association : JCMA2019

Change of the levels of trace elements and heavy metals in threatened abortion.

Kasim Turan, Ayşe Arslan, Kazim Uçkan, Halit Demir, Canan Demir

Open access · hybridAbstract read
In one paragraph

Article in Journal of the Chinese Medical Association : JCMA, 2019. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 17 papers.

0numbers the graph read from it
0cells of the map it votes in
17citing papers in PubMed
3.6field-weighted citation impact, top 7% of its field
1 · What the graph read from it

What it found

Each row is one number read from the abstract, on the scale the paper reported it, with its interval. Left of the dashed line favours the treatment, right favours the comparator. Under each row is the sentence it came from. New to these charts? A ten-minute tutorial.

The abstract states no effect estimate the extractor could read, or names no intervention and outcome on the map, so this paper lights no cell and moves no belief. It is still indexed, cited and linked below.

2 · The registry

The trial behind it

Trials whose registry record cites this paper, or whose number appears in the abstract. A trial that started after this paper was published is citing it as background, not reporting it.

Neither the registry nor the abstract names a trial number. If this is a trial report, that itself is worth knowing.

3 · Its place in the literature

Who cites it

17 citing papers in PubMed, 39 citations in OpenAlex.

  1. Trial
  2. Trial
  3. Review
  4. Copper homeostasis and pregnancy complications: a comprehensive review.Journal of assisted reproduction and genetics · 2025
    Review
  5. Article
  6. Article
  7. Article
  8. Article
  9. Maternal Serum Zinc, Copper, Magnesium, and Iron in Spontaneous Abortions.Indian journal of clinical biochemistry : IJCB · 2023
    Article
  10. Heavy metals and metalloids exposure andFrontiers in reproductive health · 2022
    Review
  11. Monitoring of urinary arsenic (As) and lead (Pb) among a sample of pregnant Iranian women.Journal of environmental health science & engineering · 2021
    Article
  12. Definition and Multiple Factors of Recurrent Spontaneous Abortion.Advances in experimental medicine and biology · 2021
    Article
  13. Do pregnant women with anemia need iron supplementation?Journal of the Chinese Medical Association : JCMA · 2020
    Article
  14. Do healthy pregnant women need iron supplementation?Journal of the Chinese Medical Association : JCMA · 2020
    Article
  15. Article
  16. Article
  17. Article
4 · The record

Corrections and comments

5 · Who and what money

Authors and funding

5 authors at 1 institution in 1 country.

Kasim TuranDepartment of Gynecology, Private Gynecology and Obstetrics Clinic, Van, Turkey.
Ayşe ArslanDepartment of Nutrition, Faculty of Health Sciences, Yuzuncu Yil University, Tuşba, Van, Turkey.
Kazim UçkanDepartment of Gynecology, Van Education and Research Hospital, Edremit, Van, Turkey.
Halit DemirDepartment of Biochemistry, Faculty of Science, Yuzuncu Yil University, Tuşba, Van, Turkey.
Canan DemirHealth Services Vocational High School, Yuzuncu Yil University, Tuşba, Van, Turkey.
Van Yüzüncü Yıl Üniversitesi · TR

Funding

No grant is acknowledged in the PubMed record.

6 · The paper itself

Abstract

backroundThis study aimed to investigate the impact of changes in the serum levels of trace elements and heavy metals in threatened abortion, which is a common complication in early pregnancy. Earlier studies have shown that changes in the serum levels of some trace elements and increased serum concentrations of heavy metals are associated with spontaneous abortion; however, this relationship has not been fully clarified.

methodsThe patient group consisted of 45 pregnant women diagnosed with threatened abortion. There were 40 healthy nonpregnant women in the control group. Blood samples were obtained from the patients and the healthy controls, and the concentrations of serum trace elements and heavy metals were measured using atomic absorption spectrophotometry.

resultsStatistically significant decreases were found in the serum zinc (Zn), iron (Fe), magnesium (Mg) and manganese (Mn) levels, and significant increases were found in the serum copper (Cu), cadmium (Cd) and lead (Pb) levels in cases of threatened abortion in comparison to the controls (p < 0.001). However, there was no difference between the groups in terms of the serum cobalt (Co) levels (p > 0.001).

conclusionChanges in the balance of some essential trace elements (especially decreases in Fe and Zn) and elevated concentrations of some toxic heavy metals in the blood may be important diagnostic and prognostic parameters for threatened abortion.

Indexed as

Abortion, ThreatenedAdultFemaleHumansMetals, HeavyPregnancyProspective StudiesTrace ElementsMetals, HeavyTrace Elements

Identifiers

PMID30893263
PMCPMC13048173
OpenAlexW2923009947

What OpenQuestion holds

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LicenceCC BY-NC-ND
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Registered trials

None linked

Read under generation 80e0d062 · epoch 390. Bibliography from PubMed, PubMed Central and OpenAlex; grants from NIH RePORTER; trial links from ClinicalTrials.gov; estimates, votes and beliefs from the OpenQuestion graph.