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Reliability of urine temperature as a measurement of basal body temperature
Abstract:
Natural family planning is based on the recognition of physiologic signs and symptoms that identify fertile and infertile phases of the menstrual cycle. Identification of the onset of the infertile period can be determined when the upward shift in basal body temperature (BBT) has occurred. A study was conducted to determine if the temperature of the first-morning voided urine adequately represents BBT. In 22 subjects, vaginal temperature, taken immediately upon awakening, was compared with first-morning voided urine temperature as measured continuously by thermocouples mounted in either of two flow-through devices attached to a toilet bowl. A significant correlation was found between the two temperatures. The convenience and hygiene of the method together with the reliability of urine temperature as an estimator of BBT could reduce the generally high rate of noncompliance of women choosing this natural method of family planning.
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Body Temperature
Equipments Used to Measure Body Temperature
Glass-bulb Thermometer:
Glass-bulb thermometers are hollow glass tubes with a bulb tip containing liquid such as ethanol or mercury. Historically, glass bulb mercury thermometers were the standard device to measure body temperature. Today, mercury thermometers are prohibited in many countries due to the hazardous effects of mercury and the risk of exposure if the glass bulb breaks. In general,...
Temperature Measurement Sites
Oral: When assessing oral temperature, the thermometer tip should be placed under the tongue in the posterior sublingual pocket. It offers accurate readings and can be...
Assessing Body Temperature - Rectal
Follow these steps for rectal temperature assessment:
Step 1: Perform hand hygiene and don clean gloves to prevent cross-infection.
Step 2: Position the patient in a side-lying position to better visualize the rectal...
Assessing Body Temperature - Axilla
Step 1: Perform hand hygiene and put on clean gloves to maintain infection control and prevent cross-contamination.
Step 2: Prepare the patient by explaining the procedure to ensure understanding and cooperation. Ensure privacy, expose the axilla, and inform the patient that minimal movement is crucial for an accurate reading.
Step 3: Adjust the patient’s clothing to expose only the axilla. It minimizes...
Assessing Body Temperature - Temporal Artery
Step 1: Perform hand hygiene and don a fresh pair of gloves to prevent cross-infection and ensure patient safety.
Step 2: Explain the procedure to the patient to establish trust. Clear communication establishes trust with the patient, ensures they understand what to expect, promotes cooperation, and enhances comfort during the procedure.
Step 3: Assess the patient's forehead...