{{Rsnum
|rsid=977214
|Gene=PTGER3
|Chromosome=1
|position=70960577
|Orientation=plus
|GMAF=0.1028
|Assembly=GRCh38
|GenomeBuild=38.1
|dbSNPBuild=141
|geno1=(A;A)
|geno2=(A;G)
|geno3=(G;G)
|Gene_s=PTGER3
}}{{ population diversity
| geno1=(A;A)
| geno2=(A;G)
| geno3=(G;G)
| CEU | 85.0 | 15.0 | 0.0
| HCB | 100.0 | 0.0 | 0.0
| JPT | 100.0 | 0.0 | 0.0
| YRI | 49.0 | 40.8 | 10.2
| ASW | 47.4 | 38.6 | 14.0
| CHB | 100.0 | 0.0 | 0.0
| CHD | 0.0 | 0.0 | 0.0
| GIH | 97.0 | 3.0 | 0.0
| LWK | 53.6 | 40.9 | 5.5
| MEX | 94.8 | 5.2 | 0.0
| MKK | 52.6 | 34.4 | 13.0
| TSI | 85.3 | 14.7 | 0.0
| HapMapRevision=28
}}Preterm birth in Caucasians is associated with coagulation and inflammation pathway gene variants. Part of a haplotype in mothers associated with lower risk of preterm birth: [[rs977214]](A)-[[rs6665776]](C)-[[rs594454]](G){{PMID|18818748|OA=1
}}

{{PMID|20140262|OA=1
}} Maternal and fetal genetic associations of PTGER3 and PON1 with preterm birth.

{{on chip | 23andMe v3}}
{{on chip | 23andMe v4}}
{{on chip | Affy GenomeWide 6}}
{{on chip | FTDNA2}}
{{on chip | HumanOmni1Quad}}