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Frequent Urination

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 In the hope of having a baby I take prenatal vitamins daily. Could this cause excessive urination?


Most prenatal vitamins contain ingredients similar to a regular multivitamin with the addition of some extra folic acid, iron and possibly DHA.  There are no ingredients in a standard prenatal that I would expect to cause excessive urination. 

However, urinary frequency can be increased even in early pregnancy so make sure you are not pregnant already.  During the first 6 weeks of pregnancy your blood volume will increase significantly leading to more fluid being filtered by your kidneys which ultimately results in more urine.  Frequent urination is the most common early sign of pregnancy so if you have already done a home pregnancy test, now may the time.

Back to all Questions     View More by Dr. Kevin Passero

Lead Medical Director

As a certified and fully trained Naturopathic Doctor, Passero has trained and preceptored with some of the nation's leading doctors in the field of natural medicine, working under the guidance of MD’s, Chiropractors, Naturopaths and Acupuncturists. Furthermore, he is currently the Vice President of the Maryland Association of Naturopathic Physicians.

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