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Revista Peruana de Ginecología y Obstetricia

On-line version ISSN 2304-5132


MENDEZ, Fernando. Lengh of vagina, genital hiatus and perineal body in nulliparae. Rev. peru. ginecol. obstet. [online]. 2015, vol.61, n.1, pp.11-14. ISSN 2304-5132.

Objectives: To determine vaginal, genital hiatus and perineal body length in nulliparous women. Design: Cross-sectional descriptive study with convenience sample. Setting: Department of Obstetrics and Gynecology, Hospital Nacional Cayetano Heredia, Lima, Peru. Participants: Nulliparous women. Methods: From January through March 2014 in 85 nulliparous women in childbearing age who had coital sex and required gynecological evaluation, weight and height were obtained and length of vagina, genital hiatus and perineal body were measured with a graph swab in lithotomy position. Measurements were obtained by one single examiner. Participation was voluntary with signed informed consent. Main outcome measures: Length of vagina, genital hiatus and perineal body. Results: Average length of patients’ vagina was 8.1 ± 1.4 cm (SD), genital hiatus 2.2 ± 0.5 cm (SD), and perineal body 2.3 ± 0.5 cm (SD). Conclusions: Measures obtained did not differ from international studies. A broad population study is suggested to better estimate these measures in nulliparous Peruvian women.

Keywords : Vagina length; genital hiatus; perineal body; nulliparous women; Peru.

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