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Local Guidance

Welsh Guidance

National Guidance

Further Information

Patient Information

Obesity, and Pelvic Floor (see Pelvic Floor)         BSUG

Obesity, in pregnancy (see also Super-Obesity)

Cwm Taf Morgannwg 2020

Hywel Dda 2022

  RCOG Green-top Guideline No. 72   RCOG
Observations, in Maternity Services Aneurin Bevan 2017        
Obstetric Anal Sphincter Injury, Management of (OASI)

Aneurin Bevan 2020

Hywel Dda 2022

Appendix 1

Appendix 2

Appendix 3 awaiting

Appendix 4



Obstetric, Cholestasis See Cholestasis


Obstetric, Communication after Traumatic Birth Aneurin Bevan 2018        
Obstetric, Early Warning System (Also  MEOWS)

Cwm Taf Morgannwg 2022

Hywel Dda 2022



Oligohydramnios, Management of Swansea Bay 2022        

On-Call Team for Obstetrics & Gynaecology, Responsibilities of

Swansea Bay 2020        

Operative vaginal delivery (see Vaginal birth, assisted)


Opioid Dependency, in Pregnancy Cardiff & Vale 2019        
Ovarian Cancer     NICE Guideline: CG122   RCOG
Ovarian Cancer, Raised C125 Serum Level

Cardiff & Vale 2019

Cwm Taf Morgannwg 2022

Ovarian Cysts Cwm Taf 2022        
Ovarian cysts in Postmenopausal Women Cardiff & Vale 2023 - RCOG Green top Guideline 34    RCOG Green-top Guideline No. 34    
Ovarian masses in premenopausal women, Management of suspected (Also Pelvic Mass)     RCOG Green-top Guideline No. 62   RCOG
Ovarian Hyperstimulation Syndrome Cardiff & Vale 2020   RCOG Green-top Guideline No. 5   RCOG
Ovarian Torsion Cardiff & Vale 2019         
Oxytocin Use of (See also Induction of Labour)  Hywel Dda 2022