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The POPS2 trial is looking at whether regular weighing and feedback by community midwives can prevent excessive weight gain during pregnancy.

Why this is important:

Pregnancy is a critical period for the development of obesity in women, which can lead to preventable conditions such as gestational diabetes, pre-eclampsia and complications with delivery. Weight gained during pregnancy which is not lost afterwards could lead to women becoming obese or starting following pregnancies in an unhealthy weight state. Despite calls for weight management to be part of routine antenatal care, there is little evidence on how best to achieve this.


The multi-centre trial, co-led by the Universities of Oxford and Birmingham, is recruiting 490 women with low-risk pregnancies who receive community midwife care. Participants will be weighed by their community midwife during each antenatal appointment and will receive brief feedback on their progress towards achieving healthy weight gain. In addition, midwives will encourage women to monitor themselves by recording their weekly weight to help keep them on track between antenatal appointments.

Intended outcomes:

The researchers aim to develop an evidence base to offer this intervention to every pregnant woman at every contact by a community midwife in primary care, without making antenatal appointments significantly longer.

The trial is funded by

  • NIHR School for Primary Care Research
  • NIHR CLAHRC Oxford
  • NIHR CLAHRC West Midlands.

Further information: 

DOI 10.1186/ISRCTN67427351
Effectiveness of regular weighing and feedback by community midwives in preventing excessive gestational weight gain: randomised controlled trial. (POPS 2)

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