Official websites use .gov
A
.gov website belongs to an official
government organization in the United States.
Secure .gov websites use HTTPS
A lock (
) or https:// means you've safely
connected to the .gov website. Share sensitive
information only on official, secure websites.
Back-to-back stem and leaf plot of timing of birth among women with IL1RN SNP rs2637988 GG genotype versus women with IL1RN SNP rs2637988 AA/AG genotypes. Early term, full term, and late term births are shaded. SNP = single nucleotide polymorphism.
