Most times in a non viable pregnancy, growth will have stopped earlier. So you have an
ultrasound thinking your 6
weeks, and the sac is measuring
4.
I guess for some Dr's 6 weeks is routine, but more commonly a viability ultrasound is 7 or 8 weeks to avoid exactly what your going through. I'm glad your going back monday, and I bet all is just fine. Don't forget to update us!!