"She can't eat for three hours before her procedure..."

OK, so Zoe has to have a "reflux sonogram" today. I don't know what that is, all I know is the nurse told me she can't eat for three hours before. I tried to explain that Zoe is on a 2 hour schedule right now....she said the DR wants this done NOW. Great. So, this comes on the heels of our earlier conversation :

Nurse: are you feeding her Enfamil Lipil after every other breastfeeding?
Me: Nope.
Nurse: Why not?
Me: Because she's full after she eats, I'm not comfortable with formula, we can't afford the formula, and because nobody can give me a good reason why she "needs" the formula.
Nurse: Because of the calories.
Me: Interesting, because I read on the formula maker's website that there is only 1-2 more calories per ounce than breastmilk. And, why should I think something chemically made and enhanced is better for my child than what I make? When the formula companies themselves say "breast is best?"
Nurse: *silence*
Me: I have to go with my Mommy instinct and follow my heart on this one. I'm not comfortable with formula, I see no need, and she IS gaining weight...she fits her clothes, she's happy, and what's more.....that's not why I called today...I called because she is super gassy, and is crying out in pain on a regular basis. Also, she spits up either before a meal or immediately after a meal. If it's after a meal, she gets hungry sooner...so I know she's spitting up part of her meal.
Nurse: I'll get with the DR and call you back.

She calls me back to tell me that Zoe has to have this sonogram today. There is some sort of defect where there is a hole in the tummy or something? I don't know, but they want to rule that out.

I don't think they'll be pushing formula on me again....and if they do, we'll simply change Doctors.

Don't mess with me when it comes to my kids.