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Randomised trialsIntimate health

Fewer urine leaks

Published in
NEJM 2009
People studied
338

In a trial of 338 women, weekly leaks fell by 47% in a weight-loss programme, against 28% in the comparison group.

Checked against
PubMed 19179316
Published in
NEJM 2009
Last checked
30 October 2026

Key takeaway

338 women with overweight or obesity and at least 10 urine leaks a week were randomly put in a 6-month programme of diet, exercise and behaviour change, or in an education programme. The programme group lost 8% of their weight on average. Weekly leaks fell by 47%, against 28% in the comparison group, with a clear difference for leaks on coughing or effort.

At a glance

Type of study
randomised trial
People studied
338
How long
6 months
Compared with
a structured education programme
Main result
Weekly leaks fell 47%, against 28%.
Strength of evidence
Randomised trials

What this study does not show

Only 6 months, and leaks were counted by the women in a diary. Urge leaks did not differ clearly between the groups.

Results from studies in groups of people, mostly in diet and movement programmes. They cannot be promised to any one person. This information is educational and does not replace a consultation with a doctor.

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