/ I did read that pregnant people are at a
high risk to develop them due to the massive increase in blood volume, and that most will go away after the birth.
What are your concerns about the vein? Since Im a nurse, my first thought was oh crap, hopefully its not a DVT!! If that is your concern also, there are signs that could indicate you have a clot somewhere along the vein (typically clots will be behind the knee in leg veins).