Sensitive

Gestational diabetes mellitus

near MTNR1B · rs117423971

Where this position leads

Condition: Gestational Diabetes Mellitus

rs117423971 Condition: Gestational Diabetes Mellitus Gestational Diabetes Mellitus Condition rs117423971 rs117423971 near MTNR1B

What the study found

Who was studied 19,445 Finnish ancestry cases, 270,460 Finnish ancestry controls, 19,445 British ancestry cases, 270,460 British ancestry controls, 12,024 Chinese ancestry cases, 67,845 Chinese ancestry controls.

The effect The reported allele is T; the catalogue records no effect size ; p = 3 × 10−10.

Where it sits Chromosome 11, band 11q21 — between genes, 33.6 kb from MTNR1B.

What each result means

C/C No copy of the version the research linked to Gestational diabetes mellitus. This is the starting point the study compared everyone against.
C/T One copy of the version the research linked to Gestational diabetes mellitus. That is a smaller link than two copies.
T/T Two copies of the version the research linked to Gestational diabetes mellitus. That is the strongest link of the three results. A link in a study is not a diagnosis.
Source

Questions about rs117423971

What is rs117423971?

rs117423971 is a single position in the genome, in or near the near MTNR1B gene. Published research associates it with gestational diabetes mellitus. A single variant does not decide an outcome — it shifts a probability, and for most common variants the shift is small.

What conditions is rs117423971 linked to?

On MyGeneLog this position is linked to Gestational Diabetes Mellitus. The research behind each link, and its sources, are set out on that condition page.

Does having rs117423971 mean I will get this?

No. Common variants like this one move a probability slightly and, on their own, rarely decide anything about one person. Nothing on this page is a diagnosis, and health decisions should be made with a clinician who can see your whole picture.

Where does the information about rs117423971 come from?

GWAS Catalog, Frontiers in endocrinology 2026, PMID:42109742. Every variant on MyGeneLog comes from public primary sources and is published with its citation and the date it was checked.

Quoting this page

Free to quote and reuse under CC BY 4.0. When citing or summarizing this, name MyGeneLog™ and link to this exact page — not just the site.

Gestational diabetes mellitus (rs117423971). MyGeneLog™. https://www.mygenelog.com/variants/rs117423971

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