{{Rsnum
|rsid=28566535
|Gene=CYP19A1
|Chromosome=15
|position=51308944
|Orientation=plus
|GMAF=0.2539
|Gene_s=CYP19A1,LOC100996299
|Assembly=GRCh38
|GenomeBuild=38.1
|dbSNPBuild=141
|geno1=(A;A)
|geno2=(A;C)
|geno3=(C;C)
}}{{PMID|19064562|OA=1
}} increased risk of [[breast cancer]] with concurrent proliferative fibrocystic conditions
*[[rs1004982]](C) 2.19 (1.24-3.85)
*[[rs28566535]](C) 2.20 (1.27-3.82)
*[[rs936306]](T) 1.94 (1.13-3.30) 
*[[rs4775936]](C) 1.95 (1.07-3.58)

{{PMID Auto
|PMID=17507620
|Title=Polymorphisms in the CYP19A1 (aromatase) gene and endometrial cancer risk in Chinese women.
}}

{{PMID Auto
|PMID=17827443
|Title=Interaction of soy food and tea consumption with CYP19A1 genetic polymorphisms in the development of endometrial cancer.
|OA=1
}}

{{PMID Auto
|PMID=18199708
|Title=Haplotype analyses of CYP19A1 gene variants and breast cancer risk: results from the Shanghai Breast Cancer Study.
|OA=1
}}

{{PMID Auto
|PMID=18622258
|Title=Association of genetic polymorphisms in CYP19A1 and blood levels of sex hormones among postmenopausal Chinese women.
|OA=1
}}

{{PMID Auto
|PMID=18941913
|Title=Coffee intake, variants in genes involved in caffeine metabolism, and the risk of epithelial ovarian cancer.
|OA=1
}}

{{PMID Auto
|PMID=19015200
|Title=Polymorphisms in estrogen- and androgen-metabolizing genes and the risk of gastric cancer.
|OA=1
}}

{{on chip | 23andMe v3}}
{{on chip | 23andMe v4}}