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Sarebani, Z., Alimoradi, Z., Aali, E., Mirzadeh, M., Chegini, V., Abbaspour, M. and Griffiths, M.D. 
ORCID: 0000-0001-8880-6524,
2020.
Investigating the effect of vitamin D vaginal suppository on sexual function among postmenopausal women: study protocol for a randomized controlled trial.
BMC Women's Health, 20: 27.
ISSN 1472-6874
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Abstract
Background: Menopause is associated with changes in sexual function which are partly due to vaginal atrophy in response to estrogen reduction. Estrogen administration temporarily reduces the symptoms of vaginal dryness, but long-term exposure to this drug is likely to be associated with serious complications. Considering the promising results of previous studies concerning the effect of vitamin D on vaginal dryness, the proposed study will investigate the effect of vitamin D vaginal suppository on the sexual function of postmenopausal women.
Methods: In a randomized, controlled clinical trial, 105 postmenopausal women will be randomly assigned to three groups receiving vitamin D vaginal suppository, placebo vaginal suppository, or control (no intervention). Vitamin D vaginal suppositories contain 1000 units of vitamin D3. The timing of the use of vitamin D vaginal suppositories and placebo suppositories will be every night in the first 2 weeks, and every other night in the following 6 weeks (8 weeks in total). The primary outcome will be the sexual function of participants which will be assessed using the Female Sexual Function Index (FSFI) before and immediately after the intervention, and at 1 and 2 months after the end of the intervention. The side effects of these suppositories will be examined as a secondary consequence of the study. Data will be analyzed using SPSS software version 25. In the case of normal distribution of data, the mean score of sexual function will be compared between the groups using a repeated measurements ANOVA. If statistical analysis leads to significant results, the post-hoc test will be used to determine the differences between the groups. Comparison of demographic and fertility characteristics of the women will be carried out using statistical tests such as chi-squares and t-tests. A significance level of p [less than] .05 will be used for statistical analyses.
Discussion: If vitamin D vaginal suppositories improve sexual function among premenopausal women with long-term effects and minimum side effects, the suppositories will be considered a safe complementary and alternative choice for alleviating sexual dysfunction among this group.
| Item Type: | Journal article | ||||||
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| Publication Title: | BMC Women's Health | ||||||
| Creators: | Sarebani, Z., Alimoradi, Z., Aali, E., Mirzadeh, M., Chegini, V., Abbaspour, M. and Griffiths, M.D. | ||||||
| Publisher: | Springer | ||||||
| Date: | 18 February 2020 | ||||||
| Volume: | 20 | ||||||
| ISSN: | 1472-6874 | ||||||
| Identifiers: |
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| Rights: | © the author(s) 2020. This article is distributed under the terms of the Creative Commons Attribution 4.0 International License (http://creativecommons.org/licenses/by/4.0/), which permits unrestricted use, distribution, and reproduction in any medium, provided you give appropriate credit to the original author(s) and the source, provide a link to the Creative Commons license, and indicate if changes were made. The Creative Commons Public Domain Dedication waiver (http://creativecommons.org/publicdomain/zero/1.0/) applies to the data made available in this article, unless otherwise stated. | ||||||
| Divisions: | Schools > School of Social Sciences | ||||||
| Record created by: | Jonathan Gallacher | ||||||
| Date Added: | 20 Feb 2020 09:51 | ||||||
| Last Modified: | 20 Feb 2020 09:52 | ||||||
| URI: | https://irep.ntu.ac.uk/id/eprint/39241 |
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