# Carbohydrates in the first trimester

Source: https://www.pregnancypowerhour.com/nutrition/carbohydrates-trimester-1
Last updated: 2026-07-01

> In the first trimester, carbohydrates are often the most tolerable macronutrient amidst nausea, providing essential energy for both you and your baby's early development.

In the first trimester, when many expectant parents experience nausea and fatigue, carbohydrates often become a surprisingly comforting and essential macronutrient, providing crucial energy for both your body and your baby's rapid early development. It's a common and completely normal physiological response to find simpler, bland carbohydrate foods more appealing during this time.

Your body's need for carbohydrates increases during pregnancy, with recommendations around 175g per day to ensure adequate glucose supply for the developing fetal brain. This isn't about rigid tracking, but understanding the importance of consistent energy. Prioritizing complex carbohydrates, such as oats, brown rice, sweet potatoes, beans, and whole grains, can offer a steady release of glucose, helping to stabilize blood sugar levels and provide sustained energy. These foods also come packed with fiber, which can support digestive comfort during a time when your system is adjusting to many changes. For some, managing blood sugar through attention to glycemic index and load can be particularly relevant, especially if there's a family history or predisposition to gestational diabetes.

While it might be tempting to drastically alter your diet in early pregnancy, very low-carbohydrate or keto-style diets are not generally recommended. Research, particularly animal studies, suggests that ketosis during pregnancy could potentially affect fetal neurodevelopment. The goal is balance and nourishment, not restriction. It's also reassuring to know that refined sugar in moderation is generally fine; the concern arises when more than 10% of your daily calories come from added sugars, which has been associated with adverse outcomes. Understanding these nuances can help you make informed decisions about your dietary choices, much like exploring the role of [Vitamin E in the first trimester](/nutrition/vitamin-e-trimester-1) for cellular health.

Embracing the foods that feel right for you during this sensitive period is key. If plain crackers, toast, or oatmeal are what you can tolerate, that's perfectly acceptable. Your body is working incredibly hard, and providing it with accessible energy is a priority. As your pregnancy progresses, your nutritional landscape will continue to evolve, much like the changing needs for nutrients such as [Vitamin A in the second trimester](/nutrition/vitamin-a-trimester-2). Just as we consider the balance of [Vitamin A in the first trimester](/nutrition/vitamin-a-trimester-1) for healthy development, a balanced approach to carbohydrates ensures both you and your baby have the energy required for this foundational stage.