Pregnancy and parturition negatively impact vaginal angle and alter expression of vaginal MMP-9.
Oliphant S, Canavan T, Palcsey S, Meyn L, Moalli P. Pregnancy and parturition negatively impact vaginal angle and alter expression of vaginal MMP-9. Am J Obstet Gynecol. 2018 02; 218(2):242.e1-242.e7.