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Continence and Bed Wetting (Nocturnal Enuresis) /
Continence facts and figures
01 What Do I Need To Know?
WHATS NORMAL?
Normal | Abnormal | |
Number of voids per day |
4-7 dependant on age of child Becomes less as child is older |
3 or less per day or More than 7 per day |
Expected bladder capacity |
(30 ml x age) + 30 ml
|
Too small < 65 % or too large> 130 % |
Post void residual volume | Nil |
> 20 ml on repeated testing 1-20 ml borderline |
Bowels |
Type 3-4 Bristol stool scale At least 3 or more times per week |
|
EXPECTED BLADDER CAPACITY FOR AGE
Age years |
Expected Bladder capacity for age (mls) (age x30) + 30 ml |
65% too small (mls) |
150% too large (mls)
|
5 | 180 | <117 | >270 |
6 | 210 | <137 | >315 |
7 | 240 | <156 | >360 |
8 | 270 | <175 | >405 |
9 | 300 | <195 | >450 |
10 | 330 | <215 | >505 |
11 | 360 | <234 | >540 |
12 | 390 | <253 | >585 |
FLUID REQUIREMENTS FOR AGE
Age years |
mls/kg/day | Average weight |
Daily fluids Aim for at least 50 ml per kg per day |
4 | 70-80 | 16 kgs | 800 mls |
8 | 60-70 | 25 kgs | 1250 mls |
12 | 50-60 | 45 kgs | 2250 ml |
02 What Others Say
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03 Clinicians Tools and Resources
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Last updated: 18/05/2013