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The upper limit for TSH during pregnancy: why we should stop using fixed limits of 2.5 or 3.0 mU/l

Overview of attention for article published in Thyroid Research, May 2018
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  • High Attention Score compared to outputs of the same age and source (83rd percentile)

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Title
The upper limit for TSH during pregnancy: why we should stop using fixed limits of 2.5 or 3.0 mU/l
Published in
Thyroid Research, May 2018
DOI 10.1186/s13044-018-0048-7
Pubmed ID
Authors

Tim I. M. Korevaar

Abstract

Physiological changes necessitate the use of pregnancy-specific reference ranges for TSH and FT4 to diagnose thyroid dysfunction during pregnancy. Although many centers use fixed upper limits for TSH of 2.5 or 3.0 mU/L, this comment describeds new data which indicate that such cut-offs are too low and may lead to overdiagnosis or even overtreatment. The new guidelines of the American Thyroid Association have considerably changed recommendations regarding thyroid function reference ranges in pregnancy accordingly. Also a stepwise approach to interpreting these guidelines is discussed as well as the relevant role of FT4 in diagnosis.

X Demographics

X Demographics

The data shown below were collected from the profiles of 2 X users who shared this research output. Click here to find out more about how the information was compiled.
Mendeley readers

Mendeley readers

The data shown below were compiled from readership statistics for 40 Mendeley readers of this research output. Click here to see the associated Mendeley record.

Geographical breakdown

Country Count As %
Unknown 40 100%

Demographic breakdown

Readers by professional status Count As %
Researcher 6 15%
Student > Postgraduate 5 13%
Student > Ph. D. Student 4 10%
Student > Bachelor 3 8%
Professor 2 5%
Other 7 18%
Unknown 13 33%
Readers by discipline Count As %
Medicine and Dentistry 14 35%
Biochemistry, Genetics and Molecular Biology 2 5%
Pharmacology, Toxicology and Pharmaceutical Science 2 5%
Agricultural and Biological Sciences 2 5%
Unspecified 1 3%
Other 4 10%
Unknown 15 38%
Attention Score in Context

Attention Score in Context

This research output has an Altmetric Attention Score of 2. This is our high-level measure of the quality and quantity of online attention that it has received. This Attention Score, as well as the ranking and number of research outputs shown below, was calculated when the research output was last mentioned on 24 May 2018.
All research outputs
#14,994,733
of 23,067,276 outputs
Outputs from Thyroid Research
#73
of 195 outputs
Outputs of similar age
#198,888
of 330,209 outputs
Outputs of similar age from Thyroid Research
#1
of 6 outputs
Altmetric has tracked 23,067,276 research outputs across all sources so far. This one is in the 32nd percentile – i.e., 32% of other outputs scored the same or lower than it.
So far Altmetric has tracked 195 research outputs from this source. They receive a mean Attention Score of 4.0. This one has gotten more attention than average, scoring higher than 56% of its peers.
Older research outputs will score higher simply because they've had more time to accumulate mentions. To account for age we can compare this Altmetric Attention Score to the 330,209 tracked outputs that were published within six weeks on either side of this one in any source. This one is in the 36th percentile – i.e., 36% of its contemporaries scored the same or lower than it.
We're also able to compare this research output to 6 others from the same source and published within six weeks on either side of this one. This one has scored higher than all of them