BMI...I know...BUt a question
The difficult bowel movements are common. Benefiber is great but make sure you keep you liquids up. Otherwise fiber can make it really hard and quite painfull. I take a dose of Miralax a day, 2 stool softeners and 500mgs of magnesium twice a day with my calcium to keep things moving.
I am not so sure about the color but I am worried about your eating lots of salads and veggies at only 9 weeks out. Are you getting in your protein in addition to the salad and veggies?