Class information for:
Level 1: EPISIOTOMY//OBSTETRIC ANAL SPHINCTER INJURY//OPERATIVE VAGINAL DELIVERY

Basic class information
ID Publications Average number
of references		 Avg. shr. active
ref. in WoS
6503 1408 24.5 63%


Bar chart of Publication_year

Last years might be incomplete

Classes in level above (level 2)


ID, lev.
above		 Publications Label for level above
661 12652 MIDWIFERY//EPISIOTOMY//BIRTH-ISSUES IN PERINATAL CARE

Terms with highest relevance score


Rank Term Type of term Relevance score
(tfidf)		 Class's shr.
of term's tot.
occurrences		 Shr. of publ.
in class containing
term		 Num. of
publ. in
class
1 EPISIOTOMY Author keyword 229 69% 14% 195
2 OBSTETRIC ANAL SPHINCTER INJURY Author keyword 69 91% 2% 29
3 OPERATIVE VAGINAL DELIVERY Author keyword 45 68% 3% 39
4 VACUUM EXTRACTION Author keyword 37 48% 4% 58
5 FORCEPS Author keyword 37 43% 5% 67
6 PERINEAL TRAUMA Author keyword 33 58% 3% 38
7 PERINEAL LACERATION Author keyword 31 63% 2% 31
8 ANAL SPHINCTER LACERATION Author keyword 31 92% 1% 12
9 PERINEAL TEARS Author keyword 31 82% 1% 18
10 MEDIOLATERAL EPISIOTOMY Author keyword 30 84% 1% 16

Web of Science journal categories

Author Key Words


Rank Web of Science journal category Relevance score
(tfidf)		 Class's shr.
of term's tot.
occurrences		 Shr. of publ.
in class containing
term		 Num. of
publ. in
class		 LCSH search Wikipedia search
1 EPISIOTOMY 229 69% 14% 195 Search EPISIOTOMY Search EPISIOTOMY
2 OBSTETRIC ANAL SPHINCTER INJURY 69 91% 2% 29 Search OBSTETRIC+ANAL+SPHINCTER+INJURY Search OBSTETRIC+ANAL+SPHINCTER+INJURY
3 OPERATIVE VAGINAL DELIVERY 45 68% 3% 39 Search OPERATIVE+VAGINAL+DELIVERY Search OPERATIVE+VAGINAL+DELIVERY
4 VACUUM EXTRACTION 37 48% 4% 58 Search VACUUM+EXTRACTION Search VACUUM+EXTRACTION
5 FORCEPS 37 43% 5% 67 Search FORCEPS Search FORCEPS
6 PERINEAL TRAUMA 33 58% 3% 38 Search PERINEAL+TRAUMA Search PERINEAL+TRAUMA
7 PERINEAL LACERATION 31 63% 2% 31 Search PERINEAL+LACERATION Search PERINEAL+LACERATION
8 ANAL SPHINCTER LACERATION 31 92% 1% 12 Search ANAL+SPHINCTER+LACERATION Search ANAL+SPHINCTER+LACERATION
9 PERINEAL TEARS 31 82% 1% 18 Search PERINEAL+TEARS Search PERINEAL+TEARS
10 MEDIOLATERAL EPISIOTOMY 30 84% 1% 16 Search MEDIOLATERAL+EPISIOTOMY Search MEDIOLATERAL+EPISIOTOMY

Key Words Plus


Rank Web of Science journal category Relevance score
(tfidf)		 Class's shr.
of term's tot.
occurrences		 Shr. of publ.
in class containing
term		 Num. of
publ. in
class
1 3RD DEGREE 277 92% 8% 111
2 EPISIOTOMY 153 61% 11% 161
3 OPERATIVE VAGINAL DELIVERY 119 87% 4% 59
4 MEDIOLATERAL EPISIOTOMY 106 91% 3% 43
5 VAGINAL DELIVERY 98 24% 25% 349
6 PERINEAL TEARS 87 94% 2% 31
7 ANAL SPHINCTER INJURY 67 73% 4% 51
8 ANAL SPHINCTER TEARS 64 80% 3% 40
9 FORCEPS DELIVERY 61 77% 3% 41
10 MANAGEMENT TRIAL 45 94% 1% 16

Journals

Reviews


Title Publ. year Cit. Active references % act. ref.
to same field
Episiotomy for vaginal birth 2009 86 17 88%
Risk factors for severe perineal lacerations during childbirth 2014 5 39 87%
Outcomes of routine episiotomy - A systematic review 2005 136 33 94%
Classification of episiotomy: towards a standardisation of terminology 2012 18 27 89%
A meta-analysis of reverse breech extraction to deliver a deeply impacted head during cesarean delivery 2014 3 17 76%
Obstetric anal sphincter injury - Incidence, risk factors, and management 2008 98 190 45%
Perineal techniques during the second stage of labour for reducing perineal trauma 2011 24 46 67%
Choice of instruments for assisted vaginal delivery 2010 22 42 86%
A systematic review of etiological factors for postpartum fecal incontinence 2010 24 48 67%
First versus second stage C/S maternal and neonatal morbidity: a systematic review and meta-analysis 2014 2 21 57%

Address terms


Rank Address term Relevance score
(tfidf)		 Class's shr.
of term's tot.
occurrences		 Shr. of publ.
in class containing
term		 Num. of
publ. in
class
1 NORWEGIAN CONTINENCE PELV FLOOR 6 80% 0.3% 4
2 MIDWIFERY OFF 3 100% 0.2% 3
3 EAU SANTE PERINATALE AUVERGNE 2 67% 0.1% 2
4 COOMBE WOMEN INFANTS UNIV HOSP 2 29% 0.4% 5
5 COMP INFORMAT OURCES TECHNOL 1 100% 0.1% 2
6 LONGITUDINAL STUDIES AGING POPULAT EPIDEMIOL BRAN 1 100% 0.1% 2
7 OBSTET GYNAECOL GOLD COAST 1 100% 0.1% 2
8 PROVIDENCE WOMEN CHILDRENS HLTH 1 100% 0.1% 2
9 MATERNAL CHILD HLTH SCI 1 13% 0.7% 10
10 BIRMINGHAM WOMENS CHILDRENS HLTH 1 33% 0.2% 3

Related classes at same level (level 1)


Rank Relatedness score Related classes
1 0.0000237775 POSTPARTUM SEXUAL FUNCTION//MOTHER GENERATED INDEX//POSTPARTUM POSTNATAL PERIOD
2 0.0000179195 FECAL INCONTINENCE//FAECAL INCONTINENCE//SACRAL NERVE STIMULATION
3 0.0000168001 INTRAPARTUM ULTRASOUND//ANGLE OF PROGRESSION//FETAL HEAD POSITION
4 0.0000114555 CEPHALOHEMATOMA//OSSIFIED CEPHALHEMATOMA//CEPHALHAEMATOMA
5 0.0000114172 GROWING SKULL FRACTURE//LEPTOMENINGEAL CYST//INTRADIPLOIC ARACHNOID CYST
6 0.0000095682 EPIDURAL ANALGESIA//LABOR CURVE//LABOR ANALGESIA
7 0.0000071359 CULTURE AND CHILDBIRTH//LATIN AMER PERINATOL//ABORATING WOMENS HLTH
8 0.0000069200 VAGINAL BIRTH AFTER CESAREAN//UTERINE RUPTURE//VBAC
9 0.0000056981 URINARY INCONTINENCE//PELVIC FLOOR MUSCLE TRAINING//STRESS URINARY INCONTINENCE
10 0.0000055782 LEVATOR HIATUS//LEVATOR ANI//PELVIC FLOOR