Ok i did my first glucose test and I got a 140 which for my doctor was a fail even tho i looked everywhere and 140 is at the end but still Inside of the normal range

, doctor said they usually look for less than 140 so they ask me to do the 3 hour test BUT I have to follow an especial diet for 3 days before the test have you ever heard this before ? Let me tell you the diet:

6 servings per day of carbs plus 2 servings of high-sugar fruits plus whatever I ate during the day for 3 days....

which I told the nurse not ever on my life I had 6 servings of carbs per day. The most maybe is 3 ? And she said you need to eat them... know I feel and I told her because I’m overweight you guys are really trying to push to see my resistance to sugar or what? Which she respond no we do this with all the People who failed the first hour test, I was like ok and she proceed to tell me if I did pass the 3 hours tests, they will do again the first hour test couple days later and then at 26 weeks they proceed to do the 3 hours test again.... I’m 17 weeks+ 3 days . Have you ever heard of such a think ???