黑料社

Stillbirth threefold increase when sleeping on back in pregnancy

The findings of the new study, published on The Lancet鈥檚 EClinicalMedicine, is now in the NHS鈥檚 Saving Babies鈥 Lives information package for pregnant women

RESEARCH spearheaded by a 黑料社 lecturer has shown that pregnant women can lower the risk of stillbirth by sleeping on their side and NOT on their back.

Now the finding forms part of official NHS guidance designed to bring about reductions in the number of babies who are stillborn in the UK 鈥 amounting to nine a day, or one in every 225 births.

 is Reader of Midwifery Practice at the University.  She carried out her doctoral research while based at Auckland University in New Zealand, investigating whether sleeping position was a factor in stillbirth.  She concluded that the small proportion of pregnant women who sleep on their backs did run a higher risk, because the weight of the uterus can reduce blood flow to the baby.

Her findings from this initial exploratory study were described in an  published by the British Medical Journal.  It was the first study to report maternal sleep-related practices as risk factors for stillbirth.  It triggered further research, culminating in a large-scale international project that gathered data from New Zealand, the UK, Australia and the USA.

This study included 851 bereaved mothers and 2,257 women with ongoing pregnancy and has now resulted in  available in EClinicalMedicine, published by The Lancet.

The chief finding is that going to sleep lying on the back from 28 weeks of pregnancy increased the risk of stillbirth by 2.6 times.  This heightened risk occurred regardless of the other known risk factors for stillbirth.

The UK charity , which funds research into miscarriage, stillbirth and premature birth, has included Dr Stacey鈥檚 findings about sleep position in its advice to pregnant women.  And now the NHS has incorporated them in its Saving Babies鈥 Lives care bundle 鈥 a dossier of advice issued as part of a push to halve the rate of stillbirths in the UK.

The care bundle states: 鈥淚n later pregnancy (after 28 weeks), it is safer to go to sleep on your side than on your back鈥.  It advises practitioners to 鈥渆ncourage women to settle on their side when they go to sleep or have a day-time nap, rather than on their back.  A woman who wakes up on her back shouldn鈥檛 worry, but should settle to sleep again her side鈥.

Pregnancy sleeping position

Sleeping position remains an important strand of Dr Stacey鈥檚 research.  It originated when she and a team at the University of Auckland 鈥 including her PhD supervisor Professor Lesley McCowan 鈥 were investigating the relatively high rates of stillbirth in New Zealand.

鈥淲e decided to look at a range of modifiable risk factors and this was one of them,鈥 said Dr Stacey.

鈥淭he next phase is to ensure that there is consistent advice from healthcare professionals and we will be looking to see if there are ways of helping to support women to sleep in the side position.

鈥淥nly a small proportion of women will be affected,鈥 continued Dr Stacey.  鈥淏ut the studies that we did following the first findings suggested that women were quite happy to change their going to sleep position if it was better for their babies.鈥

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