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Jessie Inchauspé: Why your pregnancy diet rewrites fetal DNA

Through your glucose, choline, and omega-3 intake, pregnancy flips epigenetic switches; juice acts more like Coke than fruit during these critical months.

Jessie InchauspéguestSteven Bartletthost

Feb 26, 20261h 36mWatch on YouTube ↗

WHAT IT’S REALLY ABOUT

Pregnancy nutrition, glucose control, and epigenetics shaping lifelong child health

Biochemist Jessie Inchauspé (“Glucose Goddess”) argues that pregnancy is a high-impact window where maternal diet can influence a baby’s gene expression (epigenetics), brain development, and later disease vulnerability.
She focuses on four recurring themes: controlling glucose spikes/sugar intake, getting enough key nutrients (especially choline and omega‑3s), eating sufficient protein, and using movement/exercise to improve metabolic outcomes.
The discussion critiques modern food marketing (e.g., “no added sugar”) and highlights how processed foods and fruit juice can drive glucose spikes comparable to soda.
They also cover breastfeeding vs formula, alcohol and caffeine guidance, fermented foods, gestational diabetes prediction, and the emotional reality of miscarriage and stress in pregnancy, while emphasizing that parents retain agency even if early-life factors were suboptimal.

IDEAS WORTH REMEMBERING

5 ideas

Pregnancy is not passive—diet can modify fetal gene expression.

Inchauspé frames pregnancy as a period where epigenetic “dimmer switches” can be added to the baby’s DNA, potentially shaping development and long-term disease vulnerability (e.g., metabolic and some neurodevelopmental risks).

High maternal glucose and sugar intake can “program” higher lifetime metabolic risk.

Because glucose crosses the placenta, fetal exposure rises with maternal spikes. She cites evidence ranging from epigenetic findings to the UK sugar-ration natural experiment showing lower later type 2 diabetes risk among those gestated during lower-sugar availability.

Fruit juice is metabolically closer to soda than most people realize.

Removing fiber (juicing) allows rapid sugar delivery; she notes a typical glass of orange juice contains ~25g sugar, comparable to cola, and “no added sugar” can still mean a high-sugar product.

Choline is a major, overlooked pregnancy nutrient—eggs are the simplest fix.

She states ~90% of pregnant moms don’t reach choline needs, despite choline’s role in neuronal formation and brain regions tied to memory/attention. Her practical target is ~4 eggs/day (or ensure choline via diet/supplementation).

Omega‑3s (especially DHA) support fetal brain wiring; many women underconsume them.

DHA supports neuronal connectivity; she recommends fatty fish multiple times per week (e.g., sardines) and notes checking that infant formula includes DHA/omega‑3s and choline if formula-feeding.

WORDS WORTH SAVING

5 quotes

With your diet during pregnancy, you're programming your baby's DNA.

— Jessie Inchauspé

Your baby doesn't get what he needs, he gets what's there and what you give him.

— Jessie Inchauspé

If you compare a glass of orange juice to a glass of Coca-Cola, it's the same amount of sugar.

— Jessie Inchauspé

Ninety percent of moms are not getting enough choline during pregnancy.

— Jessie Inchauspé

When you have a glucose spike, your baby has a glucose spike.

— Jessie Inchauspé

Epigenetics and fetal “programming”Glucose spikes, crashes, mood, and cravingsModern fruit, fruit juice, and sugar marketingGestational diabetes: early prediction and driversCholine, omega‑3 (DHA), and fetal brain developmentProtein requirements and muscle as glucose “sink”Exercise/movement hacks to blunt glucose spikesAlcohol, caffeine, breastfeeding, and formula choicesFood labels: ingredients vs macros vs caloriesMiscarriage, stress, and the reality of pregnancy anxiety

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