Priority 3 from the Stillbirth PSP

UNCERTAINTY: Do modifiable ‘lifestyle’ factors (e.g. diet, vitamin deficiency, sleep position, sleep apnoea, lifting and bending) cause or contribute to stillbirth risk? (JLA PSP Priority 3)
Overall ranking 3
JLA question ID 0029/3
Evidence Smoking aspect of originally submitted uncertainties answered: Salihu et al. Early Hum Dev, 2007;83(11):713-20 (Smoking); Leonardi-Bee J, Pediatrics 2011;127(4):734-741 (Passive Smoking). Yakoob et al. Reducing Stillbirths: behavioural and nutritional interventions before and during pregnancy (Systematic Review) BMC Pregnancy and Childbirth 2009; 9 (Suppl 1):S3
Health Research Classification System category Reproductive Health and Childbirth
Extra information provided by this PSP
Original uncertainty examples Do modifiable "lifestyle" factors (diet, vitamin deficiency, smoking, obesity, sleep position, sleep apnoea, lifting & bending) cause or contribute to stillbirth? 
Submitted by 21 respondents (from: Midwife, Parent/Professional, Parent, Friend/Family, Professional, Obstetrician)
PSP information
PSP unique ID 0029
PSP name Stillbirth
Total number of uncertainties identified by this PSP. 346  (To see a full list of all uncertainties identified, please see the detailed spreadsheet held on the JLA website)
Date of priority setting workshop 2 February 2015