Essential skills: BJOG launches the Research Methods Guides
BJOG: An International Journal of Obstetrics&Gynaecology, EarlyView. (Source: BJOG: An International Journal of Obstetrics and Gynaecology)
Source: BJOG: An International Journal of Obstetrics and Gynaecology - June 19, 2018 Category: OBGYN Authors: Michael S Marsh Source Type: research

Getting this right from the start will ensure findings from clinical trials can be used effectively
BJOG: An International Journal of Obstetrics&Gynaecology, EarlyView. (Source: BJOG: An International Journal of Obstetrics and Gynaecology)
Source: BJOG: An International Journal of Obstetrics and Gynaecology - June 19, 2018 Category: OBGYN Authors: Natalie AM Cooper Source Type: research

Assess the ‘value’ of a healthcare intervention, not just its price
BJOG: An International Journal of Obstetrics&Gynaecology, EarlyView. (Source: BJOG: An International Journal of Obstetrics and Gynaecology)
Source: BJOG: An International Journal of Obstetrics and Gynaecology - June 19, 2018 Category: OBGYN Authors: Pietro Bortoletto , Sarah E Little Source Type: research

Cluster randomised trials: useful for interventions delivered to groups
BJOG: An International Journal of Obstetrics&Gynaecology, EarlyView. (Source: BJOG: An International Journal of Obstetrics and Gynaecology)
Source: BJOG: An International Journal of Obstetrics and Gynaecology - June 19, 2018 Category: OBGYN Authors: Karla Hemming , Alan Girling Source Type: research

Qualitative research: what it is and what it is not
BJOG: An International Journal of Obstetrics&Gynaecology, EarlyView. (Source: BJOG: An International Journal of Obstetrics and Gynaecology)
Source: BJOG: An International Journal of Obstetrics and Gynaecology - June 19, 2018 Category: OBGYN Authors: Elaine Denny , Annalise Weckesser Source Type: research

Randomised controlled trials – the gold standard for effectiveness research
BJOG: An International Journal of Obstetrics&Gynaecology, EarlyView. (Source: BJOG: An International Journal of Obstetrics and Gynaecology)
Source: BJOG: An International Journal of Obstetrics and Gynaecology - June 19, 2018 Category: OBGYN Authors: Eduardo Hariton , Joseph J Locascio Source Type: research

A study design to identify associations
BJOG: An International Journal of Obstetrics&Gynaecology, EarlyView. (Source: BJOG: An International Journal of Obstetrics and Gynaecology)
Source: BJOG: An International Journal of Obstetrics and Gynaecology - June 19, 2018 Category: OBGYN Authors: Alexander Melamed , Julian N Robinson Source Type: research

The best evidence comes from the right study design, not just randomised trials
BJOG: An International Journal of Obstetrics&Gynaecology, EarlyView. (Source: BJOG: An International Journal of Obstetrics and Gynaecology)
Source: BJOG: An International Journal of Obstetrics and Gynaecology - June 19, 2018 Category: OBGYN Authors: Steven Lane Source Type: research

A good study starts with a clearly defined question
BJOG: An International Journal of Obstetrics&Gynaecology, EarlyView. (Source: BJOG: An International Journal of Obstetrics and Gynaecology)
Source: BJOG: An International Journal of Obstetrics and Gynaecology - June 19, 2018 Category: OBGYN Authors: Steven Lane Source Type: research

The dilemma of lumping versus splitting evidence
BJOG: An International Journal of Obstetrics&Gynaecology, EarlyView. (Source: BJOG: An International Journal of Obstetrics and Gynaecology)
Source: BJOG: An International Journal of Obstetrics and Gynaecology - June 19, 2018 Category: OBGYN Authors: Joseph Lunyera , Clarissa J Diamantidis Source Type: research

Case –control studies can be useful but have many limitations
BJOG: An International Journal of Obstetrics&Gynaecology, EarlyView. (Source: BJOG: An International Journal of Obstetrics and Gynaecology)
Source: BJOG: An International Journal of Obstetrics and Gynaecology - June 19, 2018 Category: OBGYN Authors: Alexander Melamed , Julian N Robinson Source Type: research

Accuracy of p57KIP2 compared with genotyping to diagnose complete hydatidiform mole: a systematic review and meta ‐analysis
BJOG: An International Journal of Obstetrics&Gynaecology, EarlyView. (Source: BJOG: An International Journal of Obstetrics and Gynaecology)
Source: BJOG: An International Journal of Obstetrics and Gynaecology - June 16, 2018 Category: OBGYN Authors: JM Madi , A Braga , MP Paganella , IE Litvin , EM Wendland Source Type: research

WHO recommendations, dollars and sense
BJOG: An International Journal of Obstetrics&Gynaecology, EarlyView. (Source: BJOG: An International Journal of Obstetrics and Gynaecology)
Source: BJOG: An International Journal of Obstetrics and Gynaecology - June 15, 2018 Category: OBGYN Authors: JN Robinson Source Type: research

Routine antenatal ultrasound in low ‐ and middle‐income countries: first look – a cluster randomised trial
BJOG: An International Journal of Obstetrics&Gynaecology, EarlyView. (Source: BJOG: An International Journal of Obstetrics and Gynaecology)
Source: BJOG: An International Journal of Obstetrics and Gynaecology - June 15, 2018 Category: OBGYN Authors: RL Goldenberg , RO Nathan , D Swanson , S Saleem , W Mirza , F Esamai , D Muyodi , AL Garces , L Figueroa , E Chomba , M Chiwala , M Mwenechanya , A Tshefu , A Lokangako , VL Bolamba , JL Moore , H Franklin , J Swanson , Source Type: research

Amniotic fluid lactic acid and matrix metalloproteinase ‐8 levels at the time of fetal surgery for a spine defect: association with subsequent preterm prelabour rupture of membranes
BJOG: An International Journal of Obstetrics&Gynaecology, EarlyView. (Source: BJOG: An International Journal of Obstetrics and Gynaecology)
Source: BJOG: An International Journal of Obstetrics and Gynaecology - June 15, 2018 Category: OBGYN Authors: AF Moron , A Athanasiou , M Barbosa , HJ Milani , SG Sarmento , S Cavalheiro , SS Witkin Source Type: research

The mediating effects of gestational diabetes on fetal growth and adiposity in women who are overweight and obese: secondary analysis of the LIMIT randomised trial
BJOG: An International Journal of Obstetrics&Gynaecology, EarlyView. (Source: BJOG: An International Journal of Obstetrics and Gynaecology)
Source: BJOG: An International Journal of Obstetrics and Gynaecology - June 15, 2018 Category: OBGYN Authors: AJ Poprzeczny , J Louise , AR Deussen , JM Dodd Source Type: research

The DiPEP study: an observational study of the diagnostic accuracy of clinical assessment, D ‐dimer and chest x‐ray for suspected pulmonary embolism in pregnancy and postpartum
BJOG: An International Journal of Obstetrics&Gynaecology, EarlyView. (Source: BJOG: An International Journal of Obstetrics and Gynaecology)
Source: BJOG: An International Journal of Obstetrics and Gynaecology - June 15, 2018 Category: OBGYN Authors: S Goodacre , K Horspool , C Nelson ‐Piercy , M Knight , N Shephard , F Lecky , S Thomas , BJ Hunt , G Fuller , Source Type: research

Conscience and abortion
BJOG: An International Journal of Obstetrics&Gynaecology, EarlyView. (Source: BJOG: An International Journal of Obstetrics and Gynaecology)
Source: BJOG: An International Journal of Obstetrics and Gynaecology - June 14, 2018 Category: OBGYN Authors: JO Drife Source Type: research

The association between assisted reproduction technology (ART) and abnormal placentation
BJOG: An International Journal of Obstetrics&Gynaecology, EarlyView. (Source: BJOG: An International Journal of Obstetrics and Gynaecology)
Source: BJOG: An International Journal of Obstetrics and Gynaecology - June 14, 2018 Category: OBGYN Authors: KY Eichelberger Source Type: research

The causes of maternal mortality are changing and preventable
BJOG: An International Journal of Obstetrics&Gynaecology, EarlyView. (Source: BJOG: An International Journal of Obstetrics and Gynaecology)
Source: BJOG: An International Journal of Obstetrics and Gynaecology - June 14, 2018 Category: OBGYN Authors: MJ Stokes , JP Wilkinson Source Type: research

Developing a set of consensus indicators to support maternity service quality improvement: using Core Outcome Set methodology including a Delphi process
BJOG: An International Journal of Obstetrics&Gynaecology, EarlyView. (Source: BJOG: An International Journal of Obstetrics and Gynaecology)
Source: BJOG: An International Journal of Obstetrics and Gynaecology - June 14, 2018 Category: OBGYN Authors: KJ Bunch , B Allin , M Jolly , T Hardie , M Knight Source Type: research

Postnatal persistence of fetal cardiovascular remodelling associated with assisted reproductive technologies: a cohort study
BJOG: An International Journal of Obstetrics&Gynaecology, EarlyView. (Source: BJOG: An International Journal of Obstetrics and Gynaecology)
Source: BJOG: An International Journal of Obstetrics and Gynaecology - June 14, 2018 Category: OBGYN Authors: B Valenzuela ‐Alcaraz , A Serafini , A Sepulveda‐Martínez , G Casals , M Rodríguez‐López , L Garcia‐Otero , M Cruz‐Lemini , B Bijnens , M Sitges , J Balasch , E Gratacós , F Crispi Source Type: research

Reducing post ‐laparoscopy shoulder pain: are simple strategies enough?
BJOG: An International Journal of Obstetrics&Gynaecology, EarlyView. (Source: BJOG: An International Journal of Obstetrics and Gynaecology)
Source: BJOG: An International Journal of Obstetrics and Gynaecology - June 13, 2018 Category: OBGYN Authors: J Daniels Source Type: research

Maternal factors associated with offspring polycystic ovarian syndrome
BJOG: An International Journal of Obstetrics&Gynaecology, EarlyView. (Source: BJOG: An International Journal of Obstetrics and Gynaecology)
Source: BJOG: An International Journal of Obstetrics and Gynaecology - June 13, 2018 Category: OBGYN Authors: AZ Steiner Source Type: research

The International Network of Obstetric Survey Systems study of uterine rupture: a descriptive multi ‐country population‐based study
BJOG: An International Journal of Obstetrics&Gynaecology, EarlyView. (Source: BJOG: An International Journal of Obstetrics and Gynaecology)
Source: BJOG: An International Journal of Obstetrics and Gynaecology - June 13, 2018 Category: OBGYN Authors: G Vandenberghe , K Bloemenkamp , S Berlage , L Colmorn , C Deneux ‐Tharaux , M Gissler , M Knight , J Langhoff‐Roos , PG Lindqvist , W Oberaigner , J Van Roosmalen , J Zwart , K Roelens , on behalf of Source Type: research

Prenatal exposures and birth indices, and subsequent risk of polycystic ovary syndrome: a  national registry‐based cohort study
BJOG: An International Journal of Obstetrics&Gynaecology, EarlyView. (Source: BJOG: An International Journal of Obstetrics and Gynaecology)
Source: BJOG: An International Journal of Obstetrics and Gynaecology - June 13, 2018 Category: OBGYN Authors: H Valgeirsdottir , E Vanky , I Sundstr öm‐Poromaa , N Roos , TS Løvvik , O Stephansson , A‐K Wikström Source Type: research

Erratum
BJOG: An International Journal of Obstetrics&Gynaecology,Volume 125, Issue 8, Page e42-e42, July 2018. (Source: BJOG: An International Journal of Obstetrics and Gynaecology)
Source: BJOG: An International Journal of Obstetrics and Gynaecology - June 13, 2018 Category: OBGYN Source Type: research

Issue Information
BJOG: An International Journal of Obstetrics&Gynaecology,Volume 125, Issue 8, Page i-vi, July 2018. (Source: BJOG: An International Journal of Obstetrics and Gynaecology)
Source: BJOG: An International Journal of Obstetrics and Gynaecology - June 13, 2018 Category: OBGYN Source Type: research

BJOG Referees 2017
BJOG: An International Journal of Obstetrics&Gynaecology,Volume 125, Issue 8, Page 1045-1048, July 2018. (Source: BJOG: An International Journal of Obstetrics and Gynaecology)
Source: BJOG: An International Journal of Obstetrics and Gynaecology - June 13, 2018 Category: OBGYN Source Type: research

Quality of childbirth care
BJOG: An International Journal of Obstetrics&Gynaecology,Volume 125, Issue 8, Page 911-911, July 2018. (Source: BJOG: An International Journal of Obstetrics and Gynaecology)
Source: BJOG: An International Journal of Obstetrics and Gynaecology - June 13, 2018 Category: OBGYN Authors: Patrick Chien Source Type: research

Blair Bell Research Society: Annual Academic Meeting Abstracts
BJOG: An International Journal of Obstetrics&Gynaecology,Volume 125, Issue 8, Page e29-e41, July 2018. (Source: BJOG: An International Journal of Obstetrics and Gynaecology)
Source: BJOG: An International Journal of Obstetrics and Gynaecology - June 13, 2018 Category: OBGYN Source Type: research

Insights from outside BJOG
BJOG: An International Journal of Obstetrics&Gynaecology,Volume 125, Issue 8, Page 913-917, July 2018. (Source: BJOG: An International Journal of Obstetrics and Gynaecology)
Source: BJOG: An International Journal of Obstetrics and Gynaecology - June 13, 2018 Category: OBGYN Authors: Athol Kent , Shona Kirtley Source Type: research

Obstetric violence: a Latin American legal response to mistreatment during childbirth
BJOG: An International Journal of Obstetrics&Gynaecology, EarlyView. (Source: BJOG: An International Journal of Obstetrics and Gynaecology)
Source: BJOG: An International Journal of Obstetrics and Gynaecology - June 8, 2018 Category: OBGYN Authors: CR Williams , C Jerez , K Klein , M Correa , JM Beliz án , G Cormick Source Type: research

A lifecourse approach to studying pelvic pain in women
BJOG: An International Journal of Obstetrics&Gynaecology, EarlyView. (Source: BJOG: An International Journal of Obstetrics and Gynaecology)
Source: BJOG: An International Journal of Obstetrics and Gynaecology - June 7, 2018 Category: OBGYN Authors: K Schliep Source Type: research

Exploring the limits of conscience
BJOG: An International Journal of Obstetrics&Gynaecology, EarlyView. (Source: BJOG: An International Journal of Obstetrics and Gynaecology)
Source: BJOG: An International Journal of Obstetrics and Gynaecology - June 7, 2018 Category: OBGYN Authors: R M McMillen Source Type: research

Improving care for women with obstetric fistula: new WHO recommendation on duration of bladder catheterisation after the surgical repair of a simple obstetric urinary fistula
BJOG: An International Journal of Obstetrics&Gynaecology, EarlyView. (Source: BJOG: An International Journal of Obstetrics and Gynaecology)
Source: BJOG: An International Journal of Obstetrics and Gynaecology - June 6, 2018 Category: OBGYN Authors: M Widmer , Ö Tunçalp , MR Torloni , OT Oladapo , M Bucagu , AM Gülmezoglu Source Type: research

Re: Vitamin D and gestational diabetes mellitus: a systematic review based on data free of Hawthorne effect
BJOG: An International Journal of Obstetrics&Gynaecology, EarlyView. (Source: BJOG: An International Journal of Obstetrics and Gynaecology)
Source: BJOG: An International Journal of Obstetrics and Gynaecology - June 6, 2018 Category: OBGYN Authors: Rosa Corcoy , Lilian C. Mendoza , David Simmons , Gernot Desoye , Elisabeth R. Mathiesen , Alexandra Kautzky ‐Willer , Peter Damm , Fidelma P. Dunne , Ewa Wender‐Ozegowska , Annunziata Lapolla , Andre van Assche , Roland Devliege Source Type: research

Authors ’ reply re: vitamin D and gestational diabetes mellitus: a systematic review based on data free of Hawthorne effect
BJOG: An International Journal of Obstetrics&Gynaecology, EarlyView. (Source: BJOG: An International Journal of Obstetrics and Gynaecology)
Source: BJOG: An International Journal of Obstetrics and Gynaecology - June 6, 2018 Category: OBGYN Authors: Yanbo Zhang , Yunhui Gong , Hongmei Xue , Jingyuan Xiong , Guo Cheng Source Type: research

The birthweight toll of mining pollution: evidence from the most contaminated mine site in the Andean region
BJOG: An International Journal of Obstetrics&Gynaecology, EarlyView. (Source: BJOG: An International Journal of Obstetrics and Gynaecology)
Source: BJOG: An International Journal of Obstetrics and Gynaecology - June 6, 2018 Category: OBGYN Authors: A Arrieta , J Guillen Source Type: research

Caesarean scar pregnancy in the UK: a national cohort study
BJOG: An International Journal of Obstetrics&Gynaecology, EarlyView. (Source: BJOG: An International Journal of Obstetrics and Gynaecology)
Source: BJOG: An International Journal of Obstetrics and Gynaecology - June 6, 2018 Category: OBGYN Authors: HM Harb , M Knight , C Bottomley , C Overton , A Tobias , ID Gallos , M Shehmar , R Farquharson , A Horne , P Latthe , E Edi ‐Osagie , M MacLean , E Marston , J Zamora , F Dawood , R Small , J Ross , T Bourne , A Coo Source Type: research

Emerging problems in uterus transplantation
BJOG: An International Journal of Obstetrics&Gynaecology, EarlyView. (Source: BJOG: An International Journal of Obstetrics and Gynaecology)
Source: BJOG: An International Journal of Obstetrics and Gynaecology - June 5, 2018 Category: OBGYN Authors: I Kisu , Y Kato , H Obara , K Matsubara , Y Matoba , K Banno , D Aoki Source Type: research

Pituitary block with gonadotrophin ‐releasing hormone antagonist during intrauterine insemination cycles: a systematic review and meta‐analysis of randomised controlled trials
BJOG: An International Journal of Obstetrics&Gynaecology, EarlyView. (Source: BJOG: An International Journal of Obstetrics and Gynaecology)
Source: BJOG: An International Journal of Obstetrics and Gynaecology - June 4, 2018 Category: OBGYN Authors: A Vitagliano , G Saccone , M Noventa , A Borini , ME Coccia , GB Nardelli , C Saccardi , G Bifulco , PS Litta , A Andrisani Source Type: research

The evolving contribution of non ‐communicable diseases to maternal mortality in Jamaica, 1998–2015: a population‐based study
BJOG: An International Journal of Obstetrics&Gynaecology, EarlyView. (Source: BJOG: An International Journal of Obstetrics and Gynaecology)
Source: BJOG: An International Journal of Obstetrics and Gynaecology - June 4, 2018 Category: OBGYN Authors: AM McCaw ‐Binns , LV Campbell , SS Spence Source Type: research

Breast and reproductive cancers in the transgender population: a systematic review
BJOG: An International Journal of Obstetrics&Gynaecology, EarlyView. (Source: BJOG: An International Journal of Obstetrics and Gynaecology)
Source: BJOG: An International Journal of Obstetrics and Gynaecology - May 30, 2018 Category: OBGYN Authors: R Joint , ZE Chen , S Cameron Source Type: research

Re: Postpartum venous thromboembolism prophylaxis may cause more harm than benefit: a critical analysis of international guidelines through an evidence ‐based lens
BJOG: An International Journal of Obstetrics&Gynaecology, EarlyView. (Source: BJOG: An International Journal of Obstetrics and Gynaecology)
Source: BJOG: An International Journal of Obstetrics and Gynaecology - May 30, 2018 Category: OBGYN Authors: Alexander M Friedman Source Type: research

Author's reply re: Postpartum venous thromboembolism prophylaxis may cause more harm than benefit: a critical analysis of international guidelines through an evidence ‐based lens
BJOG: An International Journal of Obstetrics&Gynaecology, EarlyView. (Source: BJOG: An International Journal of Obstetrics and Gynaecology)
Source: BJOG: An International Journal of Obstetrics and Gynaecology - May 30, 2018 Category: OBGYN Authors: Andrew Kotaska Source Type: research

A pathway to personalised pain care?
BJOG: An International Journal of Obstetrics&Gynaecology, EarlyView. (Source: BJOG: An International Journal of Obstetrics and Gynaecology)
Source: BJOG: An International Journal of Obstetrics and Gynaecology - May 30, 2018 Category: OBGYN Authors: S As ‐Sanie Source Type: research

Predictors for unsuccessful pessary fitting in women with symptomatic pelvic organ prolapse: a prospective study
BJOG: An International Journal of Obstetrics&Gynaecology, EarlyView. (Source: BJOG: An International Journal of Obstetrics and Gynaecology)
Source: BJOG: An International Journal of Obstetrics and Gynaecology - May 30, 2018 Category: OBGYN Authors: M Mao , F Ai , Y Zhang , J Kang , S Liang , T Xu , L Zhu Source Type: research

Focus on optimising laparoscopic surgery
BJOG: An International Journal of Obstetrics&Gynaecology, EarlyView. (Source: BJOG: An International Journal of Obstetrics and Gynaecology)
Source: BJOG: An International Journal of Obstetrics and Gynaecology - May 29, 2018 Category: OBGYN Authors: FF Tu Source Type: research

To reduce maternal mortality, we must know and respond to women's personal stories
BJOG: An International Journal of Obstetrics&Gynaecology, EarlyView. (Source: BJOG: An International Journal of Obstetrics and Gynaecology)
Source: BJOG: An International Journal of Obstetrics and Gynaecology - May 22, 2018 Category: OBGYN Authors: M Mathai Source Type: research