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Who was studied 397,338 European ancestry individuals.
The effect
Each copy of the G allele shifted the measure 0.0142 lower (95% confidence interval 0.01-0.0185); p = 1 × 10−10.
How common The G allele had a frequency of about 34% in the people studied.
Where it sits Chromosome 7, band 7p22.2 — in an intron of SDK1.
What each result means
A/ANo copy of the version the research linked to Age at first sexual intercourse. This is the starting point the study compared everyone against.
A/GOne copy of the version the research linked to Age at first sexual intercourse. That is a smaller link than two copies.
G/GTwo copies of the version the research linked to Age at first sexual intercourse. That is the strongest link of the three results. A link in a study is not a diagnosis.
Nature human behaviour · 2021 · PMID 34211149 · open access
Questions about rs7785195
What is rs7785195?
rs7785195 is a single position in the genome, in or near the SDK1 gene. Published research associates it with age at first sexual intercourse. A single variant does not decide an outcome — it shifts a probability, and for most common variants the shift is small.
What conditions is rs7785195 linked to?
On MyGeneLog this position is linked to Age at First Sexual Intercourse. The research behind each link, and its sources, are set out on that condition page.
Does having rs7785195 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 rs7785195 come from?
GWAS Catalog, Nature human behaviour 2021, PMID:34211149. 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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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.
Age at first sexual intercourse (rs7785195). MyGeneLog™. https://www.mygenelog.com/variants/rs7785195