0 18121212Reads by AI crawlersClaude0ChatGPT0Google · Gemini0Perplexity1Meta AI0Microsoft · Copilot0Amazon2Apple1China (ByteDance, Huawei, Baidu…)2ByteDance (Doubao)2Others12Total18Counted by the name each crawler declares; requests found to be impersonating one are left out. Google · Gemini includes Googlebot, the search crawler whose index Google also uses for its AI features. Other search engines and bots are under Others.
Who was studied 29,640 European ancestry female cases, 736,610 European ancestry female controls, 3,921 South Asian ancestry female cases, 14,233 South Asian ancestry female controls, 4,346 East Asian ancestry female cases, 23,286 East Asian ancestry female controls, 244 Hispanic or Latin American female cases, 744 Hispanic or Latin American female controls, 154 African American or Afro-Caribbean female cases, 1,272 African American or Afro-Caribbean female controls.
The effect
The reported allele is T; the catalogue records no effect size
; p = 3 × 10−9.
How common The T allele had a frequency of about 53% in the people studied.
Where it sits Chromosome 11, band 11p11.2 — in an intron of CRY2.
What each result means
A/ANo copy of the version the research linked to Gestational diabetes. This is the starting point the study compared everyone against.
A/TOne copy of the version the research linked to Gestational diabetes. That is a smaller link than two copies.
T/TTwo copies of the version the research linked to Gestational diabetes. That is the strongest link of the three results. A link in a study is not a diagnosis.
Nature communications · 2026 · PMID 42225636 · open access
Questions about rs7933420
What is rs7933420?
rs7933420 is a single position in the genome, in or near the CRY2 gene. Published research associates it with gestational diabetes. A single variant does not decide an outcome — it shifts a probability, and for most common variants the shift is small.
What conditions is rs7933420 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 rs7933420 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 rs7933420 come from?
GWAS Catalog, Nature communications 2026, PMID:42225636. Every variant on MyGeneLog comes from public primary sources and is published with its citation and the date it was checked.
0 18121212Reads by AI crawlersClaude0ChatGPT0Google · Gemini0Perplexity1Meta AI0Microsoft · Copilot0Amazon2Apple1China (ByteDance, Huawei, Baidu…)2ByteDance (Doubao)2Others12Total18Counted by the name each crawler declares; requests found to be impersonating one are left out. Google · Gemini includes Googlebot, the search crawler whose index Google also uses for its AI features. Other search engines and bots are under Others.
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