Evidence map›Paper›PMID 36424562›Full record

ArticleBMC pregnancy and childbirth2022

Association between isolated maternal hypothyroxinemia during the first trimester and adverse pregnancy outcomes in Southern Chinese women: a retrospective study of 7051 cases.

Ping Li, Jinhui Cui, Ling Li, Xinjuan Chen, Liping Ouyang, Jianhui Fan, Shuo Lin

Open access · goldAbstract read
In one paragraph

Article in BMC pregnancy and childbirth, 2022. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 11 papers.

0numbers the graph read from it
0cells of the map it votes in
11citing papers in PubMed
2.1field-weighted citation impact, top 11% 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

11 citing papers in PubMed, 16 citations in OpenAlex.

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4 · The record

Corrections and comments

PubMed lists nothing against this paper. Absence here is not a guarantee, only a check that was made.

5 · Who and what money

Authors and funding

7 authors at 1 institution in 1 country.

Ping Li *Department of Obstetrics and Gynaecology, Third Affiliated Hospital of Sun Yat-Sen University, Guangzhou, China.
Jinhui Cui *Department of Obstetrics and Gynaecology, Third Affiliated Hospital of Sun Yat-Sen University, Guangzhou, China.
Ling LiDepartment of Obstetrics and Gynaecology, Third Affiliated Hospital of Sun Yat-Sen University, Guangzhou, China.
Xinjuan ChenDepartment of Obstetrics and Gynaecology, Third Affiliated Hospital of Sun Yat-Sen University, Guangzhou, China.
Liping OuyangDepartment of Obstetrics and Gynaecology, Third Affiliated Hospital of Sun Yat-Sen University, Guangzhou, China.
Jianhui FanDepartment of Obstetrics and Gynaecology, Third Affiliated Hospital of Sun Yat-Sen University, Guangzhou, China.
Shuo LinDepartment of Endocrinology, Third Affiliated Hospital of Sun Yat-Sen University, Guangzhou, China. linshuo3@mail.sysu.edu.cn.
Sun Yat-sen University · CN

Funding

No grant is acknowledged in the PubMed record.

6 · The paper itself

Abstract

backgroundThe association between isolated maternal hypothyroxinemia (IMH) and adverse pregnancy outcomes is still controversial. This study aimed to evaluate the association between IMH during the first trimester and adverse pregnancy outcomes in southern Chinese women.

methodsThis was a hospital-based, retrospective cohort study. The records of 7051 women, including 1337 IMH women and 5714 euthyroid women who had a singleton pregnancy and accepted routine prenatal service at the Third Affiliated Hospital of Sun Yat-Sen University from January 2015 to September 2018, were extracted from the electronic medical records system in this study. Thyroid functions [thyroid-stimulating hormone (TSH), free thyroxine (fT4) and anti-thyroperoxidase autoantibody (TPO-Ab)] had to be measured before 13 weeks and 6 days of gestation. The chi-square test and multivariate logistic regression analysis were applied to evaluate the association between IMH during the first trimester and adverse pregnancy outcomes.

resultsPrepregnancy obesity [prepregnancy body mass index (preBMI) ≥ 25 kg/m

conclusionIMH during the first trimester did not increase any risk of adverse pregnancy outcomes in southern Chinese women except LGA.

Indexed as

PlacentaPregnancy OutcomeAutoantibodiesChinaFemaleHumansInfant, NewbornPregnancyPregnancy Trimester, FirstRetrospective StudiesWeight Gainanti-thyroid autoantibodiesAutoantibodiesAdverse pregnancy outcomesFirst trimesterIsolated maternal hypothyroxinemia

Identifiers

PMID36424562
PMCPMC9694516
OpenAlexW4309891666

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Registered trials

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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.