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

Add your What Others Say content here!

03 Clinicians Tools and Resources

Time and Volume Chart Girls

Time and Volume Chart Boys

The information published here has been reviewed by Flourish Paediatrics and represents the available published literature at the time of review.
The information is not intended to take the place of medical advice.
Please seek advice from a qualified healthcare professional.
Read our terms and conditions

Last updated: 18/05/2013