Class information for:
Level 1: CERVICAL LENGTH//CERCLAGE//CERVICAL INCOMPETENCE

Basic class information
Class id #P Avg. number of
references		 Database coverage
of references
3742 1920 27.1 71%


Bar chart of Publication_year

Last years might be incomplete

Hierarchy of classes
The table includes all classes above and classes immediately below the current class.


Cluster id Level Cluster label #P
17 4 REPRODUCTIVE BIOLOGY//OBSTETRICS & GYNECOLOGY//VETERINARY SCIENCES 563730
193 3       PREECLAMPSIA//OBSTETRICS & GYNECOLOGY//REPRODUCTIVE BIOLOGY 54114
955 2             PRETERM LABOR//CERVICAL LENGTH//PRETERM BIRTH 10807
3742 1                   CERVICAL LENGTH//CERCLAGE//CERVICAL INCOMPETENCE 1920

Terms with highest relevance score


rank Term termType Chi square Shr. of publ. in
class containing
term		 Class's shr. of
term's tot. occurrences		 #P with
term in
class
1 CERVICAL LENGTH authKW 3534911 17% 68% 327
2 CERCLAGE authKW 1887108 9% 71% 167
3 CERVICAL INCOMPETENCE authKW 1532884 6% 89% 108
4 FETAL FIBRONECTIN authKW 1512246 7% 72% 133
5 CERVICAL CERCLAGE authKW 985113 5% 70% 88
6 CERVICAL INSUFFICIENCY authKW 883136 4% 73% 76
7 PRETERM DELIVERY authKW 731115 13% 19% 248
8 PRETERM BIRTH authKW 712014 19% 12% 361
9 SHORT CERVIX authKW 544560 3% 68% 50
10 17 ALPHA HYDROXYPROGESTERONE CAPROATE authKW 425211 2% 70% 38

Web of Science journal categories


Rank Term Chi square Shr. of publ. in
class containing
term		 Class's shr. of
term's tot. occurrences		 #P with term
in class
1 Obstetrics & Gynecology 148474 83% 1% 1596
2 Acoustics 5103 10% 0% 192
3 Pediatrics 1531 11% 0% 203
4 Radiology, Nuclear Medicine & Medical Imaging 1271 11% 0% 212
5 Reproductive Biology 820 4% 0% 84
6 Medicine, General & Internal 121 5% 0% 104
7 Nursing 1 0% 0% 9
8 Chemistry, Medicinal 1 1% 0% 20
9 Primary Health Care 1 0% 0% 3
10 Medical Laboratory Technology -0 0% 0% 5

Address terms


Rank Term Chi square Shr. of publ. in
class containing
term		 Class's shr. of
term's tot. occurrences		 #P with
term in
class
1 MATERNAL FETAL MED 192446 14% 4% 275
2 OBSTET GYNECOL 82348 42% 1% 814
3 PERINATAL DIAGNOST 75365 1% 30% 16
4 JULIUS HEALTHCARE PRIMARY CARE 47706 0% 100% 3
5 NEUROSCI REPROD SCI DENT 33113 1% 21% 10
6 CENT B TIST HOSP 31804 0% 100% 2
7 CLIN ILE DE FRANCE 31804 0% 100% 2
8 HOSP SERVIDOR PUBL ESTADUAL FRANCISCO MORATO DE O 31804 0% 100% 2
9 KINGS LONDON WOMENS HLTH 31804 0% 100% 2
10 LIS HOSP WOMEN 31804 0% 100% 2

Journals


Rank Term Chi square Shr. of publ. in
class containing
term		 Class's shr. of
term's tot. occurrences		 #P with
term in
class
1 AMERICAN JOURNAL OF OBSTETRICS AND GYNECOLOGY 80941 17% 2% 319
2 ULTRASOUND IN OBSTETRICS & GYNECOLOGY 64693 7% 3% 136
3 JOURNAL OF MATERNAL-FETAL & NEONATAL MEDICINE 46728 6% 3% 110
4 AMERICAN JOURNAL OF PERINATOLOGY 29929 4% 2% 79
5 OBSTETRICS AND GYNECOLOGY 18039 7% 1% 127
6 BJOG-AN INTERNATIONAL JOURNAL OF OBSTETRICS AND GYNAECOLOGY 9206 2% 1% 44
7 ACTA OBSTETRICIA ET GYNECOLOGICA SCANDINAVICA 8738 3% 1% 62
8 JOURNAL OF PERINATAL MEDICINE 7977 2% 1% 38
9 ZEITSCHRIFT FUR GEBURTSHILFE UND PERINATOLOGIE 7184 1% 2% 19
10 CLINICAL OBSTETRICS AND GYNECOLOGY 6525 2% 1% 33

Author Key Words


Rank Term Chi square Shr. of publ. in
class containing
term		 Class's shr. of
term's tot. occurrences		 #P with
term in
class		 LCSH search Wikipedia search
1 CERVICAL LENGTH 3534911 17% 68% 327 Search CERVICAL+LENGTH Search CERVICAL+LENGTH
2 CERCLAGE 1887108 9% 71% 167 Search CERCLAGE Search CERCLAGE
3 CERVICAL INCOMPETENCE 1532884 6% 89% 108 Search CERVICAL+INCOMPETENCE Search CERVICAL+INCOMPETENCE
4 FETAL FIBRONECTIN 1512246 7% 72% 133 Search FETAL+FIBRONECTIN Search FETAL+FIBRONECTIN
5 CERVICAL CERCLAGE 985113 5% 70% 88 Search CERVICAL+CERCLAGE Search CERVICAL+CERCLAGE
6 CERVICAL INSUFFICIENCY 883136 4% 73% 76 Search CERVICAL+INSUFFICIENCY Search CERVICAL+INSUFFICIENCY
7 PRETERM DELIVERY 731115 13% 19% 248 Search PRETERM+DELIVERY Search PRETERM+DELIVERY
8 PRETERM BIRTH 712014 19% 12% 361 Search PRETERM+BIRTH Search PRETERM+BIRTH
9 SHORT CERVIX 544560 3% 68% 50 Search SHORT+CERVIX Search SHORT+CERVIX
10 17 ALPHA HYDROXYPROGESTERONE CAPROATE 425211 2% 70% 38 Search 17+ALPHA+HYDROXYPROGESTERONE+CAPROATE Search 17+ALPHA+HYDROXYPROGESTERONE+CAPROATE

Core articles
The table includes core articles in the class. The following variables is taken into account for the relevance score of an article in a cluster c:
(1) Number of references referring to publications in the class.
(2) Share of total number of active references referring to publications in the class.
(3) Age of the article. New articles get higher score than old articles.
(4) Citation rate, normalized to year.


Rank Reference # ref.
in cl.		 Shr. of ref. in
cl.		 Citations
1 MELAMED, N , PITTINI, A , HIERSCH, L , YOGEV, Y , KORZENIEWSKI, SJ , ROMERO, R , BARRETT, J , (2016) DO SERIAL MEASUREMENTS OF CERVICAL LENGTH IMPROVE THE PREDICTION OF PRETERM BIRTH IN ASYMPTOMATIC WOMEN WITH TWIN GESTATIONS?.AMERICAN JOURNAL OF OBSTETRICS AND GYNECOLOGY. VOL. 215. ISSUE 5. P. - 84 79% 0
2 ALTHUISIUS, S , DEKKER, G , (2004) CONTROVERSIES REGARDING CERVICAL INCOMPETENCE, SHORT CERVIX, AND THE NEED FOR CERCLAGE.CLINICS IN PERINATOLOGY. VOL. 31. ISSUE 4. P. 695-+ 82 99% 7
3 MEIJER-HOOGEVEEN, M , STOUTENBEEK, P , VISSER, GHA , (2006) METHODS OF SONOGRAPHIC CERVICAL LENGTH MEASUREMENT IN PREGNANCY: A REVIEW OF THE LITERATURE.JOURNAL OF MATERNAL-FETAL & NEONATAL MEDICINE. VOL. 19. ISSUE 12. P. 755-762 75 96% 10
4 GILNER, J , BIGGIO, J , (2016) MANAGEMENT OF SHORT CERVIX DURING PREGNANCY: A REVIEW.AMERICAN JOURNAL OF PERINATOLOGY. VOL. 33. ISSUE 3. P. 245 -252 49 100% 2
5 BERGHELLA, V , LUDMIR, J , SIMONAZZI, G , OWEN, J , (2013) TRANSVAGINAL CERVICAL CERCLAGE: EVIDENCE FOR PERIOPERATIVE MANAGEMENT STRATEGIES.AMERICAN JOURNAL OF OBSTETRICS AND GYNECOLOGY. VOL. 209. ISSUE 3. P. 181-192 53 95% 16
6 WOOD, SL , OWEN, J , (2016) VAGINAL CERCLAGE: PREOPERATIVE, INTRAOPERATIVE, AND POSTOPERATIVE MANAGEMENT.CLINICAL OBSTETRICS AND GYNECOLOGY. VOL. 59. ISSUE 2. P. 270 -285 55 90% 0
7 MELAMED, N , PITTINI, A , HIERSCH, L , YOGEV, Y , KORZENIEWSKI, SS , ROMERO, R , BARRETT, J , (2016) SERIAL CERVICAL LENGTH DETERMINATION IN TWIN PREGNANCIES REVEALS 4 DISTINCT PATTERNS WITH PROGNOSTIC SIGNIFICANCE FOR PRETERM BIRTH.AMERICAN JOURNAL OF OBSTETRICS AND GYNECOLOGY. VOL. 215. ISSUE 4. P. - 56 88% 0
8 AHN, KH , BAE, NY , HONG, SC , LEE, JS , LEE, EH , JEE, HJ , CHO, GJ , OH, MJ , KIM, HJ , (2017) THE SAFETY OF PROGESTOGEN IN THE PREVENTION OF PRETERM BIRTH: META-ANALYSIS OF NEONATAL MORTALITY.JOURNAL OF PERINATAL MEDICINE. VOL. 45. ISSUE 1. P. 11 -20 30 91% 1
9 DESHPANDE, SN , VAN ASSELT, ADI , TOMINI, F , ARMSTRONG, N , ALLEN, A , NOAKE, C , KHAN, K , SEVERENS, JL , KLEIJNEN, J , WESTWOOD, ME , (2013) RAPID FETAL FIBRONECTIN TESTING TO PREDICT PRETERM BIRTH IN WOMEN WITH SYMPTOMS OF PREMATURE LABOUR: A SYSTEMATIC REVIEW AND COST ANALYSIS.HEALTH TECHNOLOGY ASSESSMENT. VOL. 17. ISSUE 40. P. 1-+ 60 75% 12
10 FOSTER, C , SHENNAN, AH , (2014) FETAL FIBRONECTIN AS A BIOMARKER OF PRETERM LABOR: A REVIEW OF THE LITERATURE AND ADVANCES IN ITS CLINICAL USE.BIOMARKERS IN MEDICINE. VOL. 8. ISSUE 4. P. 471-484 50 83% 11

Classes with closest relation at Level 1


Rank Class id link
1 20417 HOME UTERINE ACTIVITY MONITORING//MAMMARY STIMULATION TEST//EXTERNAL TOCOGRAPHY
2 15326 CERVICAL RIPENING//CERVICAL REMODELING//CERVIX
3 770 CHORIOAMNIONITIS//PRETERM PREMATURE RUPTURE OF MEMBRANES//PREMATURE RUPTURE OF MEMBRANES
4 21928 HUMAN STAT GENET PROGRAM//PRETERM BIRTH//PREVENT PRETERM BIRTH
5 5202 TOCOLYSIS//RITODRINE//TOCOLYTICS
6 12588 LATE PRETERM//LATE PRETERM INFANTS//LATE PRETERM BIRTH
7 21420 INTERPREGNANCY INTERVAL//BIRTH SPACING//PREGNANCY SPACING
8 4471 MULTIFETAL PREGNANCY REDUCTION//TRIPLETS//MULTIPLE PREGNANCY
9 27122 BOUCHE VISAGE ENFANT//HOP UNIV NECKER 149//PCGS
10 4068 LABOR INDUCTION//INDUCTION OF LABOR//CERVICAL RIPENING

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