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Published on: 4/7/2025

When Does Frequent Urination Typically Start During Pregnancy?

Frequent urination usually starts early in pregnancy, around the first trimester, and may continue or even increase as the pregnancy progresses.

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Explanation

When you are pregnant, your body works very hard and changes a lot. One of these changes is that you might start needing to go to the bathroom more often. This change often begins in the first trimester, which means it can start just a few weeks after you become pregnant. Certain hormones make your kidneys work harder, so they make more urine. At the same time, your growing uterus puts extra pressure on your bladder, which can make you feel like you need to pee even when it is not full. As you get further along, especially in the third trimester, the pressure on your bladder can increase more, making you need to go even more often. It is a normal part of pregnancy, but sometimes it can be bothersome. If you have concerns about how often you are urinating or if you notice signs of an infection like burning during urination or fever, it’s always a good idea to talk to your doctor. This way, you can be sure that you and your baby are healthy during your pregnancy.

(References)

  • Uzelpasaci E, Çinar GN, Baran E, Gürşen C, Nakip G, Ozgul S, Beksac K, Unal C, Orgul G, Beksac AT, Akbayrak T, Beksac MS. Trimester-based changes in urogenital symptoms and their impact on the quality of life in pregnant women: A preliminary report. Curr Urol. 2021 Sep;15(3):167-171. doi: 10.1097/CU9.0000000000000021. Epub 2021 May 25. PMID: 34552457; PMCID: PMC8451322.

  • Chen HJ, Hsiao SM, Yang CF, Lee CN, Wang YW, Guo DW, Chang SR. Overactive Bladder during Pregnancy: A Prospective Longitudinal Study. Medicina (Kaunas). 2022 Feb 6;58(2):243. doi: 10.3390/medicina58020243. PMID: 35208567; PMCID: PMC8875611.

  • Beyazıt A, Hakverdi AU, Gözükara KH. The Effect of Pregnancy on Urinary Symptoms. Cureus. 2023 Aug 28;15(8):e44232. doi: 10.7759/cureus.44232. PMID: 37772213; PMCID: PMC10523107.

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