Hey mama, Am wondering if it’s because the veins are enlarged somewhat…. Thought these articles were pretty good tho: https://www.google.com.sg/amp/s/amp.flo.health/menstrual-cycle/health/symptoms-and-diseases/vaginal-bumps-main-causes https://www.acog.org/womens-health/faqs/skin-conditions-during-pregnancy But if you’re worried, do ask your gynae at your next visit :)