Trimester GuideMarch 28, 2025

First Trimester Nutrition Guide: What to Eat When You Feel Sick

EWR
Emma Williams, RD
Registered Dietitian
First Trimester Nutrition Guide: What to Eat When You Feel Sick

Understanding First Trimester Challenges

The first trimester of pregnancy is often marked by nausea, food aversions, and fatigue. Morning sickness, which can occur at any time of day, affects up to 80% of pregnant women. Despite these challenges, nutrition remains crucial during this formative period.

Managing Morning Sickness While Maintaining Nutrition

Small, Frequent Meals

Instead of three large meals, try eating five to six smaller meals throughout the day. This helps maintain stable blood sugar levels and prevents your stomach from becoming too empty or too full.

Gentle Foods That Help Combat Nausea

When nausea strikes, these foods often provide relief while offering some nutritional value:

  • Ginger: Try ginger tea, ginger candies, or adding fresh ginger to foods
  • Cold foods: These tend to have less aroma, which can trigger nausea
  • Plain carbohydrates: Toast, crackers, or plain rice can settle your stomach
  • Protein-rich snacks: Greek yogurt, cheese sticks, or a small handful of nuts
  • Citrus fruits: Lemon water or fresh oranges work for some women

Strategic Nutrient Timing

If you can identify patterns to your nausea, try to consume the most nutrient-dense foods during your least nauseated times of day.

Focusing on Essential First Trimester Nutrients

Folate/Folic Acid

The neural tube forms in the first 28 days after conception, making folate particularly important during this period. If pills are difficult to tolerate, focus on folate-rich foods like spinach, asparagus, and fortified cereals.

Iron

Your blood volume is already beginning to increase. If red meat seems unappetizing, try gentler sources like lentils, beans, or fortified breakfast cereals.

B6 for Nausea Relief

Vitamin B6 may help reduce nausea for some women. Food sources include bananas, potatoes, and chickpeas.

Hydration Strategies When Water Seems Unpalatable

Staying hydrated can be challenging but is essential. Try:

  • Adding lemon, cucumber, or berries to water
  • Drinking through a straw (this can bypass some taste aversions)
  • Sucking on ice chips
  • Consuming fluid-rich fruits like watermelon and grapes
  • Homemade popsicles made from diluted fruit juice

When to Talk to Your Doctor

Consult your healthcare provider if you experience:

  • Inability to keep any food or fluids down for 24+ hours
  • Signs of dehydration (dark urine, dizziness)
  • Weight loss of more than 5% of your pre-pregnancy weight

Remember that this challenging phase is temporary for most women. Do your best with nutrition, but also be gentle with yourself as your body adjusts to pregnancy.

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