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Who was studied 241,168 British ancestry individuals.
The effect
Each copy of the C allele shifted the measure 0.048 kg lower (95% confidence interval 0.033-0.063); p = 2 × 10−10.
What each result means
C/CTwo copies of the version the research linked to Birth weight (winsorised). That is the strongest link of the three results. A link in a study is not a diagnosis.
C/TOne copy of the version the research linked to Birth weight (winsorised). That is a smaller link than two copies.
T/TNo copy of the version the research linked to Birth weight (winsorised). This is the starting point the study compared everyone against.
rs530332020 is a single position in the genome, in or near the ARHGEF2 gene. Published research associates it with birth weight (winsorised). A single variant does not decide an outcome — it shifts a probability, and for most common variants the shift is small.
What conditions is rs530332020 linked to?
On MyGeneLog this position is linked to Birth Weight. The research behind each link, and its sources, are set out on that condition page.
Does having rs530332020 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 rs530332020 come from?
GWAS Catalog, Diabetologia 2025, PMID:40210729. Every variant on MyGeneLog comes from public primary sources and is published with its citation and the date it was checked.
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