Skip to content

Not Eating Enough While Pregnant? Spot These Common Symptoms!

Learn about the symptoms of not eating enough while pregnant with this complete guide. Protect your health and your baby's development.
Symptoms of not eating enough while pregnant

Symptoms of not eating enough while pregnant

Introduction: Symptoms of not eating enough while Pregnant

Let’s be honest, growing a tiny human inside you is kind of a big deal. Between the morning sickness, late-night cravings, and the constant need to pee, your body is working overtime. But here’s the plot twist: you might not be eating enough.

Yes, really. Even though you may feel like you’re constantly munching, your body has a whole set of new caloric demands. Missing the mark on your nutritional needs during pregnancy can lead to fatigue, dizziness, and a cranky baby bump that just wants a sandwich. Let’s unpack the signs

The Sneaky Symptoms of Undereating While Pregnant

How do you know if you’re not eating enough? Here are some telltale signs:

  • Constant fatigue: We’re not just talking sleepy vibes, this is full-on energy crash mode.
  • Dizziness or lightheadedness: Not ideal when you’re already navigating swollen feet and mood swings.
  • Slow weight gain: Your OB is probably keeping track of this already.
  • Irritability: If you’re mad at your partner because they breathed too loud, you might need a snack.
  • Hair thinning or brittle nails: Your baby’s taking the nutrients, and your body’s left hanging.
  • Frequent headaches: Could be hydration, could be hunger, either way, not fun.

Caloric Needs During Pregnancy: Not Eating for Two, But Eating Enough for One-and-a-Half

Let’s bust the “eat for two” myth once and for all. You don’t need double the food, just more of the right stuff.

Here’s the lowdown:

  • First trimester: No extra calories needed (your body’s still adjusting).
  • Second trimester: About 300-350 extra calories per day.
  • Third trimester: Bump it up to 450-500 extra calories per day.

That’s like adding a banana with peanut butter, a boiled egg with toast, or a small smoothie, not an all-you-can-eat buffet.

And don’t forget macronutrients!

  • Protein: Aim for about 75–100 grams per day. Think eggs, chicken, tofu, beans, your baby’s building blocks.
  • Carbs: Go for complex carbs like whole grains and veggies, not a donut a day (tempting, though).
  • Healthy fats: Avocados, nuts, and olive oil keep things smooth, literally and nutritionally.

Balanced Diet for Pregnant Women: What to Pile on Your Plate

A balanced diet during pregnancy isn’t about perfection—it’s about nourishing both you and your baby. Here’s the cheat sheet:

  1. Whole Grains: Brown rice, oats, quinoa, loaded with fiber and B vitamins.
  2. Fruits & Vegetables: Eat the rainbow. Leafy greens = folate. Oranges = vitamin C. Bananas = potassium. Your baby? A fan of all of it.
  3. Lean Protein: Eggs, fish (low mercury ones), beans, lentils. Protein = muscle-building magic.
  4. Dairy (or calcium alternatives): Yogurt, milk, cheese—or calcium-fortified plant milk.
  5. Healthy Fats: Avocados, seeds, olive oil all great for baby’s brain development.
  6. Water: Yes, hydration deserves a whole category.

Essential Nutrients During Pregnancy: The VIP List

Here’s what should be on your pregnancy nutrition radar:

  • Folic Acid (Folate): Prevents neural tube defects. Get it from leafy greens, lentils, and fortified cereals.
  • Iron: Prevents anemia (because you’re making extra blood now, supermom!). Sources: spinach, red meat, beans.
  • Calcium: For strong baby bones (and teeth that will eventually chew your shoes). Found in dairy and fortified foods.
  • Vitamin D: Helps with calcium absorption. Get some sunshine and fortified foods.
  • Omega-3s: For baby’s brain and eyes. Think salmon, flaxseeds, and walnuts.

Hydration: The Unsung Hero of Pregnancy Health

You’ve probably never peed this much in your life but guess what? You still need to drink more water. Pregnant women should aim for 8–12 cups of water daily.

Why? Because:

  • It keeps your amniotic fluid levels healthy.
  • Helps prevent constipation (you’ll thank us later).
  • Reduces risk of UTIs (those are no fun).
  • Keeps you cool and energized.

Not a fan of plain water? Infuse it with lemon, mint, or cucumber. Or treat yourself to a fizzy water with flair, whatever keeps you sipping.

Nutritional Deficiencies in Pregnancy: The Not-So-Glam Side Effects

Not getting enough nutrients doesn’t just leave you feeling blah, it can have real impacts on both you and your baby.

  • Iron deficiency: Leads to fatigue and increased risk of low birth weight.
  • Folate deficiency: Can cause serious neural tube defects.
  • Vitamin D deficiency: May impact bone development and immune health.
  • Iodine deficiency: Affects baby’s brain development.

A good prenatal vitamin helps fill the gaps but it doesn’t replace real food. Think of it as a backup dancer, not the main act.

Ask the Experts: When in Doubt, Call in the Food Squad

You don’t have to guess your way through pregnancy nutrition. A registered dietitian can help create a personalized plan based on your needs, health conditions, and preferences. They’ll help you figure out:

  • How much weight you should gain
  • What to eat if you have gestational diabetes or morning sickness
  • How to balance cravings with healthy choices

Bottom line? Professional help = peace of mind (and better snacks).

Final Thoughts:

Being pregnant is one of the wildest, most magical rollercoasters you’ll ever ride and nutrition is your seatbelt. Don’t stress about being perfect. The goal is to eat enough, eat smart, and give your body the fuel it needs to grow a healthy, happy baby.

Feeling tired, dizzy, or just not like yourself? That might be your body whispering, “Feed me, Seymour.” Don’t ignore it.

So go ahead, have that smoothie, snack on that handful of nuts, drink that lemon water like it’s champagne. You’re not just eating for you. You’re building a human.

And that, dear mama, deserves all the nutrients (and then some).

Symptoms Of Not Eating Enough While Pregnant FAQs

1) What happens if an expecting mom doesn't eat enough during pregnancy?

As we all know, there are specific needs for both the pregnant woman and the developing fetus to have healthy growth, and not eating a sufficient amount of food during pregnancy can have dire consequences. This includes an increased chance of malnutrition, deficiency in nutrients, disturbed sleep, unhealthy immune system, etc.
Fetus leaches vital minerals such as calcium from the bones of the mother that could increase the risk of osteoporosis in the future, affect the lactation phase after delivery and fail to produce enough milk too.

2) Would it affect the baby if the mama doesn't eat enough during her pregnancy?

Yes, if you do not eat enough as expected, there could be harmful consequences for your little one, even after they are born. These include hindering the baby’s healthy growth, damaging their development, unhealthy or low birth weight, as well as issues with mental function in children. It could also cause the fetus to develop physical growth abnormalities and increase the chance of preterm labor.

3) Can not eat enough cause miscarriage?

Not eating enough food during pregnancy can affect nutritional intake which then affects the development of the fetus, risking miscarriage. This could also bring about premature delivery and low birth weight. Having said that, there is no evidence to say not eating enough while pregnant causes miscarriage.

4) What are the indications of not eating enough during pregnancy?

The lack of weight gain during pregnancy is one of the important physical signs of not eating enough during pregnancy. Not eating enough also affects the levels of energy and can make you feel lethargic almost all of the time. Inadequate nutrition can cause health issues, such as anemia, hair loss, increased mood swings, disturbed sleep, waking at midnight due to hunger, irritation, etc, which can be counted as signs of not eating well. For more, refer to the article above!

Reviewed By:

Picture of Jessica - Nutritionist Dietician

Jessica - Nutritionist Dietician

Jessica is the owner and registered dietitian nutritionist at Nutrition That Heals, LLC. She started her dietetics career working in acute care where she gained a great deal of invaluable experience, learning all about different disease states and their appropriate nutrition interventions. She then worked in long term care where she was able to develop her skills and knowledge base dealing with the elderly population. Following long term care, she worked as an outpatient dialysis dietitian, working with patients to help them eat their best for their kidney failure and often other health conditions (diabetes, heart disease, etc.). She then made the jump back to be an inpatient clinical dietitian. There, she was able to work with patients with strokes, cancer, orthopedic issues, as well as the pediatric population. During her most recent time working as an inpatient clinical dietitian, a great opportunity presented itself and it was a great way to move into focusing more on her dream of opening a private practice. She currently works full time as a contract dietitian with Dietitians on Demand conducting 1:1 nutrition counseling sessions while also working with patients here at Nutrition That Heals, LLC. ​She has been grateful enough to know how powerful good nutrition can be, but after being diagnosed with endometriosis in March 2022, she had to fully focus on the importance of anti-inflammatory foods, proper hydration, and self-care. This diagnosis motivated her to put pen to paper and get her business started - she wanted to teach what she had learned to others - food should be nourishing. Jessica wants to show you how you can heal with good nutrition, and feel your absolute best!

On behalf of the editorial team at Parenthoodbliss, we follow strict reporting guidelines and only use credible sources, along with peer-reviewed studies, academic research institutions, and highly respected health organizations. To learn about how we maintain content accurate and up-to-date by reading our medical review and editorial policy.

Join 1000+ Parents Who Get Our Weekly Bliss!

Get expert parenting tips, baby product guides, and wellness advice—delivered straight to your inbox. No spam, just real, research-backed support on your parenting journey

Share this Article
Facebook
Twitter
LinkedIn

Disclaimer: All content found on our website is published for informational and/or educational purposes only; not intended to serve or offer any form of professional/competent advice. We put in every effort to ensure that all information is just, accurate, fool-proof, useful, and updated but do not assume responsibility or liability, to loss or risk, personal or otherwise, incurred as a consequence of information provided. Parenthoodbliss may earn commissions from affiliate links in the content.

Rectangle 22

Did not find what you were looking for?

Drop-in your request and we will be happy to write it down for you!