What is the technique for urine collection in the evaluation of urinary tract infection (UTI) during pregnancy?

Updated: Aug 17, 2021
  • Author: Raisa O Platte, MD, PhD; Chief Editor: Edward David Kim, MD, FACS  more...
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For urine collection, a midstream clean catch is adequate, provided that the patient is given careful instructions. The technique is as follows:

  • With one hand, spread the labia

  • With the other hand, use a castile soap–moistened towelette to wipe the urethral meatus downward toward the rectum, then discard the towelette

  • Void the initial portion of the bladder contents into the toilet

  • Catch the middle portion of the bladder contents in the sterile collection container, while keeping the labia spread with the first hand

Unfortunately, a study on pregnant adolescents suggests that the cleansing process does not completely prevent contamination.

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