Mean corpuscular hemoglobin concentration in pregnancy
SMG9 · rs346545
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Stands on its own.
Nothing else here links to this position yet — but the page above is the point: what the
research found, what each genotype means, and where it came from, in language you can
read. Links to conditions, drugs and the senses appear automatically if we write them.
What the study found
Who was studied 91,288 Chinese ancestry individuals; replicated in 44,070 Chinese ancestry individuals.
The effect
Each copy of the C allele shifted the measure 0.0622 lower (95% confidence interval 0.044-0.081); p = 5 × 10−11.
How common The C allele had a frequency of about 27% in the people studied.
What each result means
C/CTwo copies of the version the research linked to Mean corpuscular hemoglobin concentration in pregnancy. 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 Mean corpuscular hemoglobin concentration in pregnancy. That is a smaller link than two copies.
T/TNo copy of the version the research linked to Mean corpuscular hemoglobin concentration in pregnancy. This is the starting point the study compared everyone against.
rs346545 is a single position in the genome, in or near the SMG9 gene. Published research associates it with mean corpuscular hemoglobin concentration in pregnancy. A single variant does not decide an outcome — it shifts a probability, and for most common variants the shift is small.
Does having rs346545 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 rs346545 come from?
GWAS Catalog, Nature genetics 2026, PMID:42509370. 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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Mean corpuscular hemoglobin concentration in pregnancy (rs346545). MyGeneLog™. https://www.mygenelog.com/variants/rs346545