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Clin Endocrinol (Oxf). 2019 Jun;90(6):814-821. doi: 10.1111/cen.13954. Epub 2019 Apr 1.

Lifestyle and pregnancy complications in polycystic ovary syndrome: The SCOPE cohort study.

Author information

1
Monash Center for Health Research and Implementation, School of Public Health and Preventive Medicine, Monash University, Melbourne, Victoria, Australia.
2
Robinson Research Institute, University of Adelaide, Adelaide, South Australia, Australia.
3
Department of Women's and Children's Health, Institute of Translational Medicine, University of Liverpool, Liverpool, UK.
4
Adelaide Medical School, North Terrace, University of Adelaide, Adelaide, South Australia, Australia.
5
The Maternal and Fetal Health Research Center, University of Manchester, Manchester, UK.
6
Department of Women and Children's Health, King's College, London, UK.
7
Department of Obstetrics and Gynecology, University of Auckland, Auckland, New Zealand.
8
Department of Obstetrics and Gynecology, University of Leeds, Leeds, UK.
9
Women and Children's Division, Lyell McEwin Hospital, University of Adelaide, Adelaide, South Australia, Australia.
10
Fertility SA, Adelaide, South Australia, Australia.

Abstract

OBJECTIVES:

To investigate the risk of pregnancy complications in women with and without polycystic ovary syndrome after consideration of lifestyle factors.

DESIGN:

Prospective cohort.

PATIENTS AND MEASUREMENTS:

Participants (n = 5628) were apparently healthy nulliparous women with singleton pregnancies from the Screening for Pregnancy Endpoints study in New Zealand, Australia, United Kingdom and Ireland. Multivariable regression models were performed assessing the association of self-reported polycystic ovary syndrome status with pregnancy complications with consideration of lifestyle factors at the 15th week of gestation.

RESULTS:

Women with polycystic ovary syndrome (n = 354) were older, had a higher socio-economic index and body mass index and were less likely to consume alcohol and smoke but more likely to do vigorous exercise and take multivitamins. In univariable analysis, polycystic ovary syndrome was associated with increased risk of gestational diabetes (OR: 2.2, 95% CI: 1.2, 4.0). In multivariable models, polycystic ovary syndrome was only significantly associated with decreased risk of large for gestational age (OR: 0.62, 95% CI: 0.40, 0.98) with a population attributable risk of 0.22%. None of the other outcomes were attributable to polycystic ovary syndrome status.

CONCLUSIONS:

Polycystic ovary syndrome is associated with a lower risk of large for gestational age infants. In this low-risk population, the risk of pregnancy complications was not increased in women with polycystic ovary syndrome who were following a healthy lifestyle. Further studies are warranted assessing the contribution of lifestyle factors to the risk of pregnancy complications in higher risk groups of women with and without polycystic ovary syndrome.

KEYWORDS:

birthweight; gestational diabetes; gestational hypertension; large for gestational age; lifestyle; polycystic ovary syndrome; preterm birth

PMID:
30801750
DOI:
10.1111/cen.13954

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