Class information for:
Level 2: PRETERM LABOR//CERVICAL LENGTH//PRETERM BIRTH

Basic class information
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
4 4 PSYCHIATRY//PSYCHOLOGY, CLINICAL//PUBLIC, ENVIRONMENTAL & OCCUPATIONAL HEALTH 1867560
76 3       OBSTETRICS & GYNECOLOGY//PREECLAMPSIA//OBSTET GYNECOL 86308
845 2             PRETERM LABOR//CERVICAL LENGTH//PRETERM BIRTH 11853
1293 1                   CHORIOAMNIONITIS//PRETERM LABOR//INTRA AMNIOTIC INFECTION 2751
3613 1                   CERVICAL LENGTH//CERCLAGE//CERVICAL INCOMPETENCE 1979
7098 1                   TOCOLYSIS//RITODRINE//TOCOLYTICS 1433
11714 1                   PARTURITION//AMNION//MYOMETRIAL QUIESCENCE 987
12216 1                   PRETERM PREMATURE RUPTURE OF MEMBRANES//PREMATURE RUPTURE OF MEMBRANES//PPROM 952
14225 1                   ELECTROHYSTEROGRAPHY//ELECTROHYSTEROGRAM//UTERINE ELECTROMYOGRAPHY 815
14557 1                   SALPINX//CASILLA 2407//PHARMACODYNAM BIOPHARM 791
15449 1                   CERVICAL RIPENING DRUG EFFECTS PHYSIOLOGY//NITRIC OXIDE//ABORTIFACIENT AGENTS NONSTEROIDAL ADVERSE EFFECTS 739
16085 1                   CERVICAL REMODELING//CERVICAL RIPENING//CERVIX 700
21730 1                   PROSTAGLANDINS LEUKOTRIENES AND MEDICINE//PROSTAGLANDINS//PROSTAGLANDINS LEUKOTRIENES AND ESSENTIAL FATTY ACIDS 431
31016 1                   HORMONAL CHEM//MED MEDFARMACOL//5 BETA PROGESTINS 174
36264 1                   PAST GESTATION//JAPANESE SEROW CAPRICORNIS CRISPUS//MENBUTONE 101

Terms with highest relevance score


rank Category termType chi_square shrOfCwithTerm shrOfTermInClass termInClass
1 PRETERM LABOR authKW 967450 5% 56% 647
2 CERVICAL LENGTH authKW 781057 3% 76% 388
3 PRETERM BIRTH authKW 501865 7% 25% 772
4 PRETERM DELIVERY authKW 454257 4% 35% 488
5 OBSTETRICS & GYNECOLOGY WoSSC 410175 56% 2% 6614
6 CHORIOAMNIONITIS authKW 388460 3% 42% 346
7 TOCOLYSIS authKW 362320 2% 62% 221
8 CERCLAGE authKW 362199 2% 74% 185
9 FETAL FIBRONECTIN authKW 311303 1% 78% 150
10 PRETERM PREMATURE RUPTURE OF MEMBRANES authKW 299349 1% 70% 161

Web of Science journal categories


chi_square_rank Category chi_square shrOfCwithTerm shrOfTermInClass termInClass
1 Obstetrics & Gynecology 410175 56% 2% 6614
2 Reproductive Biology 63958 15% 1% 1724
3 Pediatrics 6071 9% 0% 1029
4 Endocrinology & Metabolism 3794 8% 0% 952
5 Developmental Biology 3319 4% 0% 439
6 Acoustics 1144 2% 0% 259
7 Pharmacology & Pharmacy 899 8% 0% 918
8 Physiology 563 3% 0% 402
9 Medicine, General & Internal 387 4% 0% 525
10 Cell Biology 309 5% 0% 571

Address terms


chi_square_rank term chi_square shrOfCwithTerm shrOfTermInClass termInClass
1 OBSTET GYNECOL 199893 27% 2% 3193
2 PERINATOL BRANCH 175919 2% 31% 217
3 MATERNAL FETAL MED 161275 5% 10% 636
4 MERCY PERINATAL 79730 1% 48% 62
5 MATERNAL FETAL MED PERINATAL 53120 0% 67% 30
6 PROGRAM PERINATAL OBSTET 41828 0% 51% 31
7 HUTZEL WOMENS HOSP 41566 0% 28% 55
8 IMPERIAL PARTURIT GRP 39958 0% 79% 19
9 FINGERLANDS PATHOL 38193 0% 55% 26
10 OBSTET GYNAECOL 35878 6% 2% 724

Journals


chi_square_rank term chi_square shrOfCwithTerm shrOfTermInClass termInClass
1 AMERICAN JOURNAL OF OBSTETRICS AND GYNECOLOGY 297152 13% 7% 1506
2 JOURNAL OF MATERNAL-FETAL & NEONATAL MEDICINE 80002 3% 8% 366
3 OBSTETRICS AND GYNECOLOGY 49248 4% 4% 520
4 JOURNAL OF PERINATAL MEDICINE 48298 2% 8% 231
5 AMERICAN JOURNAL OF PERINATOLOGY 36863 2% 6% 219
6 JOURNAL OF THE SOCIETY FOR GYNECOLOGIC INVESTIGATION 28570 1% 12% 94
7 REPRODUCTIVE SCIENCES 27888 1% 8% 127
8 PROSTAGLANDINS 26516 1% 9% 118
9 ACTA OBSTETRICIA ET GYNECOLOGICA SCANDINAVICA 24214 2% 4% 255
10 ZEITSCHRIFT FUR GEBURTSHILFE UND PERINATOLOGIE 22326 1% 10% 82

Author Key Words


chi_square_rank term chi_square shrOfCwithTerm shrOfTermInClass termInClass LCSH search Wikipedia search
1 PRETERM LABOR 967450 5% 56% 647 Search PRETERM+LABOR Search PRETERM+LABOR
2 CERVICAL LENGTH 781057 3% 76% 388 Search CERVICAL+LENGTH Search CERVICAL+LENGTH
3 PRETERM BIRTH 501865 7% 25% 772 Search PRETERM+BIRTH Search PRETERM+BIRTH
4 PRETERM DELIVERY 454257 4% 35% 488 Search PRETERM+DELIVERY Search PRETERM+DELIVERY
5 CHORIOAMNIONITIS 388460 3% 42% 346 Search CHORIOAMNIONITIS Search CHORIOAMNIONITIS
6 TOCOLYSIS 362320 2% 62% 221 Search TOCOLYSIS Search TOCOLYSIS
7 CERCLAGE 362199 2% 74% 185 Search CERCLAGE Search CERCLAGE
8 FETAL FIBRONECTIN 311303 1% 78% 150 Search FETAL+FIBRONECTIN Search FETAL+FIBRONECTIN
9 PRETERM PREMATURE RUPTURE OF MEMBRANES 299349 1% 70% 161 Search PRETERM+PREMATURE+RUPTURE+OF+MEMBRANES Search PRETERM+PREMATURE+RUPTURE+OF+MEMBRANES
10 CERVICAL INCOMPETENCE 278454 1% 92% 114 Search CERVICAL+INCOMPETENCE Search CERVICAL+INCOMPETENCE

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.

Classes with closest relation at Level 2


rank cluster_id2 link
1 860 STILLBIRTH//PRETERM BIRTH//PRENATAL CARE
2 3356 RELAXIN//RELAXIN 3//INSL3
3 843 ENDOMETRIUM//AMERICAN JOURNAL OF REPRODUCTIVE IMMUNOLOGY//REPRODUCTIVE BIOLOGY
4 1824 BRONCHOPULMONARY DYSPLASIA//LUNG DEVELOPMENT//CHRONIC LUNG DISEASE
5 2214 FETAL MOVEMENT//JOURNAL OF DEVELOPMENTAL PHYSIOLOGY//FETAL HEART RATE
6 906 OBSTETRICS & GYNECOLOGY//INDUCTION OF LABOR//BREECH PRESENTATION
7 622 PREECLAMPSIA//PRE ECLAMPSIA//HYPERTENSION IN PREGNANCY
8 1700 BACTERIAL VAGINOSIS//MICROBICIDE//GARDNERELLA VAGINALIS
9 2309 TWIN TWIN TRANSFUSION SYNDROME//MONOCHORIONIC TWINS//TWIN TO TWIN TRANSFUSION SYNDROME
10 1001 OBSTETRICS & GYNECOLOGY//ULTRASOUND IN OBSTETRICS & GYNECOLOGY//AMNIOTIC FLUID INDEX

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