Rs666553

news The effectiveness of 17 alpha-hydroxyprogesterone caproate for prevention of recurrent preterm birth is influenced by SNPs.

Black women
 * rs471767 homozygous for the major allele treatment significantly reduced the rate of preterm birth.
 * rs578029 who had a least one copy of the major allele, treatment significantly reduced in preterm birth

non-black women
 * a least one copy of the minor allele of rs503362 had a significant reduction with treatment
 * with at least one copy of the minor allele of rs666553 had a significant reduction in very preterm birth