A main source for the ages
VOIDING PATTERN AND ACQUISITION OF BLADDER CONTROL FROM BIRTH TO AGE 6 YEARS—A LONGITUDINAL STUDY
U.-B. Jansson, M. Hanson, Ulla Sillén, A.L. Hellström · 2005 · The Journal of Urology
- Children
- About 60 children
- Where
- Not given in the summary we read
- Ages
- Birth to 6 years
- How
- Researchers followed the same children from birth
- What it found
- About half the children were dry during the day by 3½ years and at night by 4 years. Nearly all were dry by day before they were dry at night.
- Limits
- We have only read the summary. A small group.