I don’t know an answer, but my guess is a few pounds is acceptable to lose, as weight does yo-yo over the years no one stays the Same forever! I think the guideline is there for people looking to lose a considerable amount of weight, I.E stones! If your attempting to drop 5 stone for example, it’s going to efffect the breasts. I honestly think you would be ok hun, it’s major weight loss that really should be done before hand xx