Our Services
Medical Information
Helpful Resources
Published on: 7/14/2026
Extreme fatigue during pregnancy is common and usually caused by rising hormone levels (especially progesterone), increased energy demands as your body supports the baby, disrupted sleep, and sometimes underlying issues like iron-deficiency anemia or gestational diabetes. Fatigue is often most intense in the first and third trimesters.
Because tiredness can stem from many overlapping causes—some harmless, others needing medical attention—it's important to understand what's driving your symptoms. Taking a free, instant, online symptom check can help you identify possible causes based on your unique situation and guide you on whether to rest, adjust your routine, or speak with your doctor. It's a fast, private way to take the guesswork out of how you're feeling and confidently plan your next steps.
Reviewed for medical accuracy: 07/14/2026
Not seeing your question? No worries.
Submit your own QuestionDuring pregnancy, especially early on, many people feel very tired. This increased fatigue is partly because your body is changing quickly. Your hormones rise to help your baby grow, and these hormones can make you feel worn out. Your body is also working harder than usual, which uses more energy. Many pregnant people notice that they need more sleep, but sometimes it is hard to get enough rest due to frequent trips to the bathroom or uncomfortable sleeping positions. If your body isn't getting enough iron, you might develop a condition called anemia that adds to the tiredness. Other factors like stress and the extra work your body does can also make you feel very fatigued. It is important to listen to your body during this time. Taking short naps, eating a balanced diet with iron-rich foods, and talking with your doctor if the fatigue feels overwhelming can help manage these feelings. If you're experiencing concerning symptoms or want to better understand what you're feeling, you can try Ubie's free AI symptom checker to help identify possible causes and know when to seek care for yourself and your growing baby.
(References)
Poole CJ. Fatigue during the first trimester of pregnancy. J Obstet Gynecol Neonatal Nurs. 1986 Sep-Oct;15(5):375-9. doi: 10.1111/j.1552-6909.1986.tb01409.x. PMID: 3639925.
Mortazavi F, Borzoee F. Fatigue in Pregnancy: The validity and reliability of the Farsi Multidimensional Assessment of Fatigue scale. Sultan Qaboos Univ Med J. 2019 Feb;19(1):e44-e50. doi: 10.18295/squmj.2019.19.01.009. Epub 2019 May 30. PMID: 31198595; PMCID: PMC6544060.
Effati-Daryani F, Mohammad-Alizadeh-Charandabi S, Mohammadi A, Zarei S, Mirghafourvand M. Fatigue and sleep quality in different trimesters of pregnancy. Sleep Sci. 2021 Jan-Mar;14(Spec 1):69-74. doi: 10.5935/1984-0063.20200091. PMID: 34917276; PMCID: PMC8663733.
We would love to help them too.
For First Time Users
We provide a database of explanations from real doctors on a range of medical topics. Get started by exploring our library of questions and topics you want to learn more about.
Was this page helpful?
Purpose and positioning of servicesUbie Doctor's Note is a service for informational purposes. The provision of information by physicians, medical professionals, etc. is not a medical treatment. If medical treatment is required, please consult your doctor or medical institution. We strive to provide reliable and accurate information, but we do not guarantee the completeness of the content. If you find any errors in the information, please contact us.