
The first trimester of pregnancy is a remarkable journey of transformation, filled with anticipation, joy, and the occasional challenge. During these crucial first 12 weeks, your body works tirelessly to nurture your growing baby, laying the foundation for a healthy pregnancy and beyond. Proper nutrition during this phase is not only essential for your baby’s development but also for maintaining your health and well-being.
I am Avni Kaul, a dietitian at Nutri Activania and a specialist in pregnancy nutrition. This guide is designed to help you navigate the complexities of first-trimester nutrition, offering evidence-based insights to keep you nourished, energized, and prepared for the months ahead.
Pregnancy Nutrition For The First Trimester
This falls in the first three months of gestation. From week 1 up to week 13, it is when rapid cell division and organ formation take place. This is when your baby’s major organs begin developing, such as the brain and the spinal cord, among others. A well-fed mother also tends to avoid birth defects, besides staying generally healthy. Nutrients form the pillar of a healthy pregnancy.
Nutrients during the First Trimester
1. Folic Acid (Vitamin B9)

It helps prevent neural tube defects from developing in the baby.
Food Sources: Leafy greens, citrus fruits, lentils, fortified cereals, and supplements.
Daily Intake: 400–600 mcg.
2. Iron

Iron can expand blood volume. Mothers need to be more vigilant about preventing anemia in them.
Sources: Lean meats, spinach, beans, tofu, and fortified cereals.
Take iron-rich foods with vitamin C (such as citrus fruits) for higher intake.
3. Calcium and Vitamin

These are crucial in the formation of fetal bone and teeth.
Sources: Milk, vitamin D-enriched plant-based milk, almonds, tofu, and sun exposure to generate vitamin D
RDA: 1000mg of calcium and 600 IU of vitamin D
4. Protein

This is needed in the cell as well as tissue formation.
Sources: eggs, chicken, fish with low mercury levels, nuts, seeds, beans.
For 60 to 70 grams of protein per day.
5. Omega-3 Fatty Acids

Omega-3 fatty acids, predominantly DHA are also critical in fetal brain and eye development
Sources: oily fish, salmon; walnuts; flaxseed; chia seeds.
6. Fiber

It is going to also help alleviate constipation, the most prevalent symptom occurring earliest in pregnancy so will aid the GI
Sources: whole grains, fruits, vegetables and legumes.
7. Vitamin C

Vitamin C raises immune functions and supports the absorption of iron from the gut.
Foods: Oranges, strawberries, bell peppers and kiwi.
What to Eat in the First Trimester?
Knowing what to eat in the first trimester is vital for both your health and your baby’s development. Here are the top nutrient-packed foods you should include in your diet.
- Whole grains
Quinoa, oats, and brown rice will provide the body with steady energy and all required nutrients. - Fruits and vegetables
Vibrant fruits and vegetables are good sources of vitamins, minerals, and antioxidants. Be sure to include a variety of food such as berries, apples, broccoli, carrots, and spinach. - Healthy fats
Throw in healthy fats like avocados, nuts, seeds, and olive oil. - Hydration
Hydrate by consuming plenty of water and hydration foods such as watermelon and cucumber.
Diet to Avoid during the First Trimester
- Fish with high levels of mercury
Avoid swordfish, sharks, and king mackerel since they contain a lot of mercury. - Raw or undercooking
Avoid eating raw eggs, sushi, or any undercooked meat about food poisoning. - Unpasteurized milk and juice
These might contain listeria, a deadly bacteria. - Caffeine
Intake of caffeine should be decreased to 200 mg per day to avoid complications. - Processed Foods
Avoid junk foods and unhealthy snacks with high sugar and saturated fats.
Nutrition for Morning Sickness
Morning sickness is one of the most common symptoms that women experience during the first trimester. Here’s how you can cope with it:
- Take small, frequent meals during the day.
- Take plain foods like crackers, toast, or bananas.
- Add a bit of ginger tea or ginger candies to relieve nausea.
- Keep hydrated, either through drinking water, broth, or herbal teas.
- While a balanced diet covers most nutritional needs, certain supplements are often recommended:
- Prenatal Vitamins: Ensure you’re meeting the daily requirements for folic acid, iron, and DHA.
- Always consult a healthcare provider or a trusted expert like Avni Kaul at Nutri Activania for tailored advice.
Creating a Balanced Diet Plan
Here is an example of what a day’s diet may look like during the first trimester:
Breakfast:
Avocado and boiled egg on top of whole-grain toast. Orange juice.

Mid-Morning Snack:
Mixing Greek yogurt with some chia seeds and a handful of berries.

Lunch
Grilled chicken or tofu; quinoa salad with broccoli steamed, served on the side. A small bowl of lentil soup.

Evening Snack:
Handful of mixed nuts, a bananas.

Dinner:
Baked salmon or Chickpea Curry with brown rice and sautéed green.

Before sleep:
Warm milk with a small pinch of turmeric.

The Role of Nutri Activania in Pregnancy Nutrition
At Nutri Activania, we prioritize personalized care to meet your unique nutritional needs during pregnancy. From managing symptoms like nausea and heartburn to ensuring optimal nutrient intake, my goal is to provide you with practical, evidence-based strategies that make pregnancy nutrition manageable and enjoyable.
Conclusion
The first trimester is a transformative time for you and your baby, and proper nutrition plays a pivotal role in ensuring a healthy start. By focusing on nutrient-rich foods, staying hydrated, and managing common pregnancy symptoms, you can navigate this exciting journey with confidence.
As a dietitian at Nutri Activania, I am committed to supporting you every step of the way, ensuring you and your baby thrive during this special time. Let’s work together to create a plan that meets your needs, providing the foundation for a healthy, happy pregnancy.