Published on: 4/7/2025
Sudden episodes of extreme fatigue during pregnancy can be due to normal hormonal changes, anemia, or more serious conditions. It’s best to talk with your healthcare provider if you feel overly tired or if the fatigue comes on suddenly.
During pregnancy, many women feel more tired than usual because of natural changes in the body and extra energy needed for your growing baby. However, if you experience sudden, extreme fatigue, it can be related to several causes. One common reason is anemia, which happens when there aren’t enough healthy red blood cells to carry oxygen. Another possibility is changes in hormones that affect your energy levels. Sometimes, fatigue can signal low blood sugar or thyroid problems that need medical attention. In rare cases, the fatigue might be linked with heart or lung issues, especially if you also have symptoms like shortness of breath or dizziness. Here are some points you can consider:
By sharing these details, your doctor can help determine if the fatigue is due to routine pregnancy changes or if there is another underlying concern. Remember, it’s important to take care of yourself so you can support your baby’s growth and development.
(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.
Furara S, Maw M, Khan F, Powell K. Weakness in pregnancy - expect the unexpected. Obstet Med. 2008 Dec;1(2):99-101. doi: 10.1258/om.2008.080011. Epub 2008 Dec 1. PMID: 27582795; PMCID: PMC4989714.
Quigley J, Keating A, Byrd L. Fatigue and breathlessness in pregnancy: a rare and sinister cause. BMJ Case Rep. 2014 Oct 16;2014:bcr2014205441. doi: 10.1136/bcr-2014-205441. PMID: 25323281; PMCID: PMC4202050.
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.
Purpose and positioning of servicesUbie Doctor’s Note is a service for informational purposes, and the provision of information by physicians, medical professionals, etc. is not a medical practice. 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.