If my BMI is 40.3 and "Healthy" Why Wouldn't Surgery Be Considered to Help Me Lose Weight?

I am 31 years old done having children, I'm 5 feet 3 inches and weigh 235. I have had weight issuses since I can remember, my highest 250 and my lowest 165. Now I am trying hard to lose weight changed my diet go to the gym daily I lose 2-5 pounds but after my monthly cycles I have to start all over because I gained it all back. Family history of being over weight, high bp,diabetes, my question is can I be denied by the surgeon because I have no preasent health issues and my BMI is just over 40?

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