Self-reported sleep in late pregnancy in relation to birth size and fetal distress: the E Moe, Māmā prospective cohort study
Objectives To explore associations between features of sleep during pregnancy and adverse outcomes for the infant.Setting E Moe, Māmā is a cohort study in Aotearoa/New Zealand that investigates self-reported sleep and maternal health in late pregnancy and the postpartum period.Participants Women (N=...
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BMJ Publishing Group
2015-10-01
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| Series: | BMJ Open |
| Online Access: | https://bmjopen.bmj.com/content/5/10/e008910.full |
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| author | Laura D Howe Sarah-Jane Paine T Leigh Signal Bronwyn Sweeney Monique Priston Diane Muller Kathy Lee Mark Huthwaite Philippa Gander |
| author_facet | Laura D Howe Sarah-Jane Paine T Leigh Signal Bronwyn Sweeney Monique Priston Diane Muller Kathy Lee Mark Huthwaite Philippa Gander |
| author_sort | Laura D Howe |
| collection | DOAJ |
| description | Objectives To explore associations between features of sleep during pregnancy and adverse outcomes for the infant.Setting E Moe, Māmā is a cohort study in Aotearoa/New Zealand that investigates self-reported sleep and maternal health in late pregnancy and the postpartum period.Participants Women (N=633; 194 Māori) reported detailed information on their sleep duration, quality, disturbances, disorders (snoring, breathing pauses, twitching legs, restless legs) and daytime sleepiness between 35 and 37 weeks gestation.Outcome measures Birthweight and fetal distress during labour were extracted from medical records. Associations between each sleep variable and small or large for gestational age (SGA/LGA) using customised birthweight centile or fetal distress were estimated using multinomial/logistic regression, controlling for potential confounders. Secondary analyses considered differences in associations between Māori and non-Māori women.Results There was some indication that breathing pauses (a measure of sleep apnoea) were associated with both SGA (OR 2.8, 95% CI 0.9 to 9.0, p=0.08) and LGA (OR 2.0, 95% CI 0.7 to 5.7, p=0.20), with the association for LGA being stronger when only pregnancy-onset breathing pauses were considered (OR 3.5, 95% CI 1.3 to 9.6, p=0.01). There was also some evidence that pregnancy-onset leg twitching (OR 3.3, 95% CI 1.1 to 10.0, p=0.03) and frequent sleep disturbance due to feeling too hot or too cold (OR 1.7, 95% CI 0.9 to 3.6, p=0.13) were associated with higher risk of fetal distress. Other sleep measures, including snoring, were not associated with SGA, LGA or fetal distress. Many of the associations we observed were considerably stronger in Māori compared with non-Māori women.Conclusions We did not find evidence of previously reported associations between snoring and SGA. Our findings tentatively suggest that self-reported breathing pauses and leg twitching in late pregnancy are associated with infant outcomes, and highlight ethnic inequalities. |
| format | Article |
| id | doaj-art-2f94375cfbe54e2a9adc1829dc0b1f56 |
| institution | Kabale University |
| issn | 2044-6055 |
| language | English |
| publishDate | 2015-10-01 |
| publisher | BMJ Publishing Group |
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| series | BMJ Open |
| spelling | doaj-art-2f94375cfbe54e2a9adc1829dc0b1f562025-02-07T08:40:14ZengBMJ Publishing GroupBMJ Open2044-60552015-10-0151010.1136/bmjopen-2015-008910Self-reported sleep in late pregnancy in relation to birth size and fetal distress: the E Moe, Māmā prospective cohort studyLaura D Howe0Sarah-Jane Paine1T Leigh Signal2Bronwyn Sweeney3Monique Priston4Diane Muller5Kathy Lee6Mark Huthwaite7Philippa Gander82 Population Health Sciences, University of Bristol, Bristol, UK2Sleep-Wake Research Centre, Massey University, Wellington, New Zealand2Sleep-Wake Research Centre, Massey University, Wellington, New Zealand2Sleep-Wake Research Centre, Massey University, Wellington, New Zealand2Sleep-Wake Research Centre, Massey University, Wellington, New Zealand2Sleep-Wake Research Centre, Massey University, Wellington, New Zealand3University of California, San Francisco, California, USADepartment of Psychological Medicine, University of Otago, Wellington, New ZealandSleep/Wake Research Centre, College of Health, Massey University, Wellington, New ZealandObjectives To explore associations between features of sleep during pregnancy and adverse outcomes for the infant.Setting E Moe, Māmā is a cohort study in Aotearoa/New Zealand that investigates self-reported sleep and maternal health in late pregnancy and the postpartum period.Participants Women (N=633; 194 Māori) reported detailed information on their sleep duration, quality, disturbances, disorders (snoring, breathing pauses, twitching legs, restless legs) and daytime sleepiness between 35 and 37 weeks gestation.Outcome measures Birthweight and fetal distress during labour were extracted from medical records. Associations between each sleep variable and small or large for gestational age (SGA/LGA) using customised birthweight centile or fetal distress were estimated using multinomial/logistic regression, controlling for potential confounders. Secondary analyses considered differences in associations between Māori and non-Māori women.Results There was some indication that breathing pauses (a measure of sleep apnoea) were associated with both SGA (OR 2.8, 95% CI 0.9 to 9.0, p=0.08) and LGA (OR 2.0, 95% CI 0.7 to 5.7, p=0.20), with the association for LGA being stronger when only pregnancy-onset breathing pauses were considered (OR 3.5, 95% CI 1.3 to 9.6, p=0.01). There was also some evidence that pregnancy-onset leg twitching (OR 3.3, 95% CI 1.1 to 10.0, p=0.03) and frequent sleep disturbance due to feeling too hot or too cold (OR 1.7, 95% CI 0.9 to 3.6, p=0.13) were associated with higher risk of fetal distress. Other sleep measures, including snoring, were not associated with SGA, LGA or fetal distress. Many of the associations we observed were considerably stronger in Māori compared with non-Māori women.Conclusions We did not find evidence of previously reported associations between snoring and SGA. Our findings tentatively suggest that self-reported breathing pauses and leg twitching in late pregnancy are associated with infant outcomes, and highlight ethnic inequalities.https://bmjopen.bmj.com/content/5/10/e008910.full |
| spellingShingle | Laura D Howe Sarah-Jane Paine T Leigh Signal Bronwyn Sweeney Monique Priston Diane Muller Kathy Lee Mark Huthwaite Philippa Gander Self-reported sleep in late pregnancy in relation to birth size and fetal distress: the E Moe, Māmā prospective cohort study BMJ Open |
| title | Self-reported sleep in late pregnancy in relation to birth size and fetal distress: the E Moe, Māmā prospective cohort study |
| title_full | Self-reported sleep in late pregnancy in relation to birth size and fetal distress: the E Moe, Māmā prospective cohort study |
| title_fullStr | Self-reported sleep in late pregnancy in relation to birth size and fetal distress: the E Moe, Māmā prospective cohort study |
| title_full_unstemmed | Self-reported sleep in late pregnancy in relation to birth size and fetal distress: the E Moe, Māmā prospective cohort study |
| title_short | Self-reported sleep in late pregnancy in relation to birth size and fetal distress: the E Moe, Māmā prospective cohort study |
| title_sort | self reported sleep in late pregnancy in relation to birth size and fetal distress the e moe mama prospective cohort study |
| url | https://bmjopen.bmj.com/content/5/10/e008910.full |
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