I am not sure that I am the right phyacian for you to address this question. I think an obstetrician would be better to request a solid nutritional food plan for your pregnancy.
I can tell you though that eating sugars and refined flours is unnecessary and unhealthy, regardless of whether you are a food addict or not. You may be tempted to eat these foods, especially while you are pregnant. Odd food cravings and the belief that you 'are eating for two' may create the temptation to indulge in unhealthy eating.
Eating sugar while pregnant may predispose you to gestastional diabetes, or make that condition worse. You may gain excessive weight, which may put your baby at increased risk for obesity - at the time of birth (called macrosomia) or as he / she is growing up into adulthood.
Eating excess sugars and starches may also mean that you are not eating the necessary proteins and vegetables that will enrich the development of your baby while in utero.
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