What to do if you have uterine cold during pregnancy? The solution is revealed! 1. What is palace cold? Uterine cold refers to a situation where the environment in a woman\’s uterus is too cold and the temperature of the uterine cavity is lower than the normal range, which will affect the implantation of the fertilized egg and the development of the embryo. Uterine cold is one of the common problems during pregnancy preparation.