Perineal length: norms in gravid women in the first stage of labour

Anupreet Dua; Melissa Whitworth; Annette Dugdale

doi:10.1007/s00192-009-0959-x

Perineal length: norms in gravid women in the first stage of labour

Anupreet Dua, Melissa Whitworth, Annette Dugdale

Research output: Contribution to journal › Article › peer-review

Abstract

INTRODUCTION: The purpose of this study was to generate normative data for perineal length for Caucasian and Asian women in labour.

METHODS: The distance from the posterior fourchette to the centre of the anal orifice was measured in 1,000 women in the first stage of labour. Data on ethnicity, body mass index, delivery mode and perineal trauma were collected prospectively.

RESULTS: The mean perineal length in Caucasian women was 3.7 +/- 0.9 cm and in Asian women, 3.6 +/- 0.9 cm. Primigravid women with short perineum were more likely to have a third-degree perineal tear in labour (p = 0.03).

CONCLUSION: This is the first paper to report normative data for perineal length in Caucasian and Asian women in labour. We found a negative correlation between perineal length and third-degree tear in primigravid women. These data may be useful in clinical practice to determine the risk of significant perineal tears in labour.

Original language	English
Pages (from-to)	1361-4
Number of pages	4
Journal	International Urogynecology Journal and Pelvic Floor Dysfunction
Volume	20
Issue number	11
DOIs	https://doi.org/10.1007/s00192-009-0959-x
Publication status	Published - Nov 2009

Keywords

Adult
Asian Continental Ancestry Group
European Continental Ancestry Group
Female
Humans
Labor Stage, First
Lacerations
Obstetric Labor Complications
Perineum
Pregnancy
Prospective Studies
Risk Factors

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@article{dd2470481ab04a0392ee569b040d2bf6,

title = "Perineal length: norms in gravid women in the first stage of labour",

abstract = "INTRODUCTION: The purpose of this study was to generate normative data for perineal length for Caucasian and Asian women in labour.METHODS: The distance from the posterior fourchette to the centre of the anal orifice was measured in 1,000 women in the first stage of labour. Data on ethnicity, body mass index, delivery mode and perineal trauma were collected prospectively.RESULTS: The mean perineal length in Caucasian women was 3.7 +/- 0.9 cm and in Asian women, 3.6 +/- 0.9 cm. Primigravid women with short perineum were more likely to have a third-degree perineal tear in labour (p = 0.03).CONCLUSION: This is the first paper to report normative data for perineal length in Caucasian and Asian women in labour. We found a negative correlation between perineal length and third-degree tear in primigravid women. These data may be useful in clinical practice to determine the risk of significant perineal tears in labour.",

keywords = "Adult, Asian Continental Ancestry Group, European Continental Ancestry Group, Female, Humans, Labor Stage, First, Lacerations, Obstetric Labor Complications, Perineum, Pregnancy, Prospective Studies, Risk Factors",

author = "Anupreet Dua and Melissa Whitworth and Annette Dugdale",

year = "2009",

month = nov,

doi = "10.1007/s00192-009-0959-x",

language = "English",

volume = "20",

pages = "1361--4",

journal = "International Urogynecology Journal and Pelvic Floor Dysfunction",

publisher = "Springer Nature",

number = "11",

}

TY - JOUR

T1 - Perineal length

T2 - norms in gravid women in the first stage of labour

AU - Dua, Anupreet

AU - Whitworth, Melissa

AU - Dugdale, Annette

PY - 2009/11

Y1 - 2009/11

N2 - INTRODUCTION: The purpose of this study was to generate normative data for perineal length for Caucasian and Asian women in labour.METHODS: The distance from the posterior fourchette to the centre of the anal orifice was measured in 1,000 women in the first stage of labour. Data on ethnicity, body mass index, delivery mode and perineal trauma were collected prospectively.RESULTS: The mean perineal length in Caucasian women was 3.7 +/- 0.9 cm and in Asian women, 3.6 +/- 0.9 cm. Primigravid women with short perineum were more likely to have a third-degree perineal tear in labour (p = 0.03).CONCLUSION: This is the first paper to report normative data for perineal length in Caucasian and Asian women in labour. We found a negative correlation between perineal length and third-degree tear in primigravid women. These data may be useful in clinical practice to determine the risk of significant perineal tears in labour.

AB - INTRODUCTION: The purpose of this study was to generate normative data for perineal length for Caucasian and Asian women in labour.METHODS: The distance from the posterior fourchette to the centre of the anal orifice was measured in 1,000 women in the first stage of labour. Data on ethnicity, body mass index, delivery mode and perineal trauma were collected prospectively.RESULTS: The mean perineal length in Caucasian women was 3.7 +/- 0.9 cm and in Asian women, 3.6 +/- 0.9 cm. Primigravid women with short perineum were more likely to have a third-degree perineal tear in labour (p = 0.03).CONCLUSION: This is the first paper to report normative data for perineal length in Caucasian and Asian women in labour. We found a negative correlation between perineal length and third-degree tear in primigravid women. These data may be useful in clinical practice to determine the risk of significant perineal tears in labour.

KW - Adult

KW - Asian Continental Ancestry Group

KW - European Continental Ancestry Group

KW - Female

KW - Humans

KW - Labor Stage, First

KW - Lacerations

KW - Obstetric Labor Complications

KW - Perineum

KW - Pregnancy

KW - Prospective Studies

KW - Risk Factors

U2 - 10.1007/s00192-009-0959-x

DO - 10.1007/s00192-009-0959-x

M3 - Article

C2 - 19649551

VL - 20

SP - 1361

EP - 1364

JO - International Urogynecology Journal and Pelvic Floor Dysfunction

JF - International Urogynecology Journal and Pelvic Floor Dysfunction

IS - 11

ER -

Perineal length: norms in gravid women in the first stage of labour

Abstract

Keywords

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