A population-based survey on the influence of the menstrual cycle and the use of hormonal contraceptives on sleep patterns in São Paulo, Brazil

A population-based survey on the influence of the menstrual cycle and the use of hormonal contraceptives on sleep patterns in São Paulo, Brazil

Author Hachul, Helena Autor UNIFESP Google Scholar
Andersen, Monica L. Autor UNIFESP Google Scholar
Bittencourt, Lia Autor UNIFESP Google Scholar
Santos-Silva, Rogerio Autor UNIFESP Google Scholar
Tufik, Sergio Autor UNIFESP Google Scholar
Institution Universidade Federal de São Paulo (UNIFESP)
Abstract Objective: To investigate the effects of the phases of the menstrual cycle and the use of hormonal contraception on sleep patterns in a population-based study. Methods: in a prospective study carried out among premenopausal women between July and December 2007, a 3-stage cluster sampling was used to ensure accurate representation of the general population of São Paulo, Brazil. Questionnaires were administered, hormonal assays were performed, and full-night polysomnography was recorded. Results: the study sample included 297 premenopausal women. Women in the follicular phase complained of fatigue more than those in the luteal phase and those using hormonal contraceptive treatment. Premenopausal women using hormonal contraceptives had a significantly lower apnea-hypopnea index (1.1 +/- 2.0) compared with women in both the follicular (2.2 +/- 4.5) and the luteal (2.9 +/- 5.4) phases (P = 0.01). Women taking hormonal contraceptives tended to have increased sleep efficiency compared with women in either the follicular or luteal phases. Conclusion: the use of hormonal contraceptives was associated with a lower apnea-hypopnea index and a trend toward improved sleep efficiency. the current findings suggest that the use of hormonal contraceptives has a stronger association with sleep duration compared with menstrual cycle phase. (c) 2012 International Federation of Gynecology and Obstetrics. Published by Elsevier Ireland Ltd. All rights reserved.
Keywords Contraception
Endocrinology
Hormones
Luteal phase
Menstrual cycle
Language English
Sponsor Associacao Fundo de Incentivo a Pesquisa (AFIP)
Fundação de Amparo à Pesquisa do Estado de São Paulo (FAPESP)
Conselho Nacional de Desenvolvimento Científico e Tecnológico (CNPq)
Grant number FAPESP: 98/14303-3
Date 2013-02-01
Published in International Journal of Gynecology & Obstetrics. Clare: Elsevier B.V., v. 120, n. 2, p. 137-140, 2013.
ISSN 0020-7292 (Sherpa/Romeo, impact factor)
Publisher Elsevier B.V.
Extent 137-140
Origin http://dx.doi.org/10.1016/j.ijgo.2012.08.020
Access rights Closed access
Type Article
Web of Science ID WOS:000314433400007
URI http://repositorio.unifesp.br/handle/11600/35936

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