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Yes, brief fasting after embryo transfer is usually fine, but long fasts risk dehydration or missed meds—follow your clinic’s plan.

Yes, after sleeve gastrectomy, fasting may be safe with medical clearance; avoid the first 6–12 months and follow hydration and protein rules.

No, fasting in early pregnancy is usually discouraged; the early weeks need steady fluids and calories for you and the baby.

Yes, wheat bread fits intermittent fasting when eaten in your eating window; any bread during fasting hours ends the fast.

Yes, sweet potato can be a calm first bite after a fast when paired with protein, fluids, and a modest portion.

Yes, any sugar during a fasting window breaks the fast for weight and metabolic goals; stick to zero-calorie drinks.

No, eating strawberries during an intermittent fasting window breaks a strict fast; save them for your eating period.

No—any calorie-dense sweets break a fast; save dessert for your eating window or skip it for lab fasts.

No, eating tuna during a fast adds calories and breaks a fasted state; save tuna for your eating window.

No, during a true fasting window vegetables contain calories that break a fast; eat them in your feeding window or in modified fasts that allow food.