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Exploring the newborn head diameters in relation to current obstetric forceps' dimensions: A systematic review.

T Ismail, Abdul-Qader and Yates, Derick and Chester, Jonathan and Ismail, Khaled M K (2017) Exploring the newborn head diameters in relation to current obstetric forceps' dimensions: A systematic review. European journal of obstetrics, gynecology, and reproductive biology, 220. pp. 25-29. ISSN 1872-7654. This article is available to all HEFT staff and students via ASK Discovery tool http://tinyurl.com/z795c8c by using their HEFT Athens login IDs

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Official URL: http://www.ejog.org/article/S0301-2115(17)30494-3/...

Abstract

OBJECTIVE

The aim of this study was to systematically search the literature for studies that reported term neonate head size and shape, in an attempt to determine the most appropriate dimensions for the obstetric forceps.

STUDY DESIGN

We searched the Ovid Medline, Ovid Embase and Ebscohost CINAHL databases from inception to February 2016. We predefined inclusion criteria to identify studies in which head width and length of asymptomatic, term neonates were measured soon after birth using direct, non-photographic methods A bespoke quality assessment score was used to evaluate the identified studies.

RESULTS

Seven studies were identified which measured head width (biparietal diameter) in 551 neonates; giving a mean value of 94.0mm (range 90.7mm-95.5mm). We identified one study which measured head length (mentovertical diameter) in 38 neonates; which gave a mean value of 134.5mm (range 129mm-139mm).

CONCLUSION

This data, in conjunction with measurements of Neville Barnes' and Wrigley's forceps from our previous study, indicates current obstetric forceps' blades are too long, and close together. Potentially, this could be contributing to neonatal and maternal injuries associated with operational vaginal deliveries.

Item Type: Article
Additional Information: This article is available to all HEFT staff and students via ASK Discovery tool http://tinyurl.com/z795c8c by using their HEFT Athens login IDs
Subjects: WP Gynaecology. Women’s health
Divisions: Womens and Childrens > Gynaecology
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Depositing User: Miss Emily Johnson
Date Deposited: 26 Jan 2018 13:39
Last Modified: 26 Jan 2018 13:39
URI: http://www.repository.heartofengland.nhs.uk/id/eprint/1469

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