What every pregnant woman needs to know about nutrition — but isn't being told
What if the pregnancy nutrition advice at your doctor's office is 17 years behind the research? Lily Nichols — registered dietician, certified diabetes educator, and author of Real Food for Pregnancy — shares what conventional guidelines get wrong, what to actually eat, and why trusting real food over food policy might be the most important thing you do for your baby. We cover gestational diabetes, choline, iron, prenatal vitamins, eating dates before birth, and the three things every pregnant woman should do starting today.
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About Lily Nichols
Registered dietician, certified diabetes educator, researcher and bestselling author of Real Food for Pregnancy and Real Food for Gestational Diabetes. Lily is one of the most respected voices in evidence-based pregnancy nutrition, known for challenging conventional dietary guidelines where the research warrants it — and for making the science genuinely accessible to parents.
Instagram @lilynicholsrdn
Key Takeaways
Guidelines: The average lag between new research and clinical practice is 17 years. Dietary policy takes even longer — and much of what we follow was shaped by flawed assumptions about fat and saturated fat.
Real food: Eat whole, unprocessed foods. Don't remove the yolk. Don't take the fat out of your dairy. The parts we've been told to avoid are often the most nutrient-dense.
Choline: Egg yolks are the single richest dietary source of choline — critical for baby's brain development and placental function. Most prenatal vitamins don't cover it. Most women don't get enough.
Gestational diabetes: It's manageable, and outcomes are far more tied to blood sugar control than to the diagnosis itself. The first weeks are a learning curve — give yourself grace. 25% of cases occur in women with no obvious risk factors.
Iron: Heme iron — found only in animal foods — is absorbed at a rate so much higher than plant iron that the US sets iron requirements for vegetarians 80% higher than for omnivores. Broccoli is not the answer.
Prenatal vitamins: An insurance policy, not a replacement for diet. Most don't have enough vitamin D. Many don't include DHA at all — add a separate algae or fish oil supplement.
Dates before birth: The research is mixed. Lily tested six dates on an empty stomach with a CGM. Not a good experience. If you try it, space them out with protein and skip it entirely if you have gestational diabetes.
Labour nutrition: Eat a proper meal as soon as labour may be starting — most women find eating difficult once active labour begins. Pack protein snacks and electrolytes, not just crackers.
Resources @Lily Nichols
Real Food for Pregnancy
Real Food for Gestational Diabetes
Lily's article on iron absorption from foods
Lily's article on eating dates in pregnancy
Grain-free granola and electrolyte replenishment recipes
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