{{Rsnum
|rsid=10423674
|Gene=CRTC1
|Chromosome=19
|position=18707093
|Orientation=plus
|GMAF=0.4972
|Assembly=GRCh38
|GenomeBuild=38.1
|dbSNPBuild=141
|geno1=(A;A)
|geno2=(A;C)
|geno3=(C;C)
|Gene_s=CRTC1
}}{{ population diversity
| geno1=(A;A)
| geno2=(A;C)
| geno3=(C;C)
| CEU | 16.8 | 45.1 | 38.1
| HCB | 41.5 | 48.1 | 10.4
| JPT | 53.1 | 38.9 | 8.0
| YRI | 35.6 | 46.6 | 17.8
| ASW | 31.6 | 38.6 | 29.8
| CHB | 41.5 | 48.1 | 10.4
| CHD | 50.0 | 42.6 | 7.4
| GIH | 12.9 | 51.5 | 35.6
| LWK | 23.9 | 51.4 | 24.8
| MEX | 31.0 | 50.0 | 19.0
| MKK | 14.1 | 46.2 | 39.7
| TSI | 7.8 | 39.2 | 52.9
| HapMapRevision=28
}}{{PMID Auto GWAS
|PMID=21102462
|Trait=None
|Title=Thirty new loci for age at menarche identified by a meta-analysis of genome-wide association studies
|RiskAllele=A
|Pval=6E-9
|OR=2.3000
|ORtxt=[1.52-3.08] week decrease
|OA=1
}}

{{on chip | 23andMe v1}}
{{on chip | 23andMe v2}}
{{on chip | 23andMe v3}}
{{on chip | 23andMe v4}}
{{on chip | HumanOmni1Quad}}
{{on chip | Illumina Human 1M}}