Class information for:
Level 3: PRENATAL DIAGNOSIS//NUCHAL TRANSLUCENCY//OBSTETRICS & GYNECOLOGY

Basic class information
Class id #P Avg. number of
references		 Database coverage
of references
453 25435 26.0 66%


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
453 3       PRENATAL DIAGNOSIS//NUCHAL TRANSLUCENCY//OBSTETRICS & GYNECOLOGY 25435
1063 2             NUCHAL TRANSLUCENCY//PRENATAL DIAGNOSIS//PRENATAL SCREENING 10013
1345 2             TRANSFUSION//VOX SANGUINIS//AUTOIMMUNE HEMOLYTIC ANEMIA 8314
2240 2             TWIN TWIN TRANSFUSION SYNDROME//MONOCHORIONIC TWINS//TWIN TO TWIN TRANSFUSION SYNDROME 4739
3087 2             CELL FREE FETAL DNA//NON INVASIVE PRENATAL DIAGNOSIS//FETAL DNA 2369

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 PRENATAL DIAGNOSIS journal 628763 7% 31% 1712
2 NUCHAL TRANSLUCENCY authKW 519196 2% 76% 569
3 OBSTETRICS & GYNECOLOGY WoSSC 411033 38% 4% 9786
4 TWIN TWIN TRANSFUSION SYNDROME authKW 344471 1% 90% 319
5 PRENATAL SCREENING authKW 324196 2% 68% 401
6 MONOCHORIONIC TWINS authKW 257548 1% 90% 240
7 DOWN SYNDROME authKW 224705 4% 18% 1023
8 ULTRASOUND IN OBSTETRICS & GYNECOLOGY journal 219188 4% 20% 913
9 FETAL DIAGNOSIS AND THERAPY journal 211930 2% 29% 618
10 SPINA BIFIDA authKW 201349 2% 36% 470

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 411033 38% 4% 9786
2 Hematology 63391 16% 1% 4011
3 Acoustics 21895 6% 1% 1486
4 Pediatrics 18916 10% 1% 2607
5 Genetics & Heredity 18252 12% 1% 3134
6 Radiology, Nuclear Medicine & Medical Imaging 10646 9% 1% 2306
7 Medical Laboratory Technology 5932 3% 1% 707
8 Reproductive Biology 4947 3% 1% 782
9 Transplantation 4719 3% 1% 819
10 Medicine, General & Internal 1966 6% 0% 1475

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 FETAL MED UNIT 130744 1% 32% 340
2 FETAL MED 114530 1% 29% 330
3 OBSTET GYNECOL 108349 14% 3% 3470
4 HARRIS BIRTHRIGHT FETAL MED 106827 1% 35% 256
5 MATERNAL FETAL MED 103450 3% 12% 738
6 CIRCULATING FETAL NUCLE ACIDS 53282 0% 91% 49
7 OBSTET 43799 2% 8% 489
8 INT BLOOD GRP REFERENCE 36973 0% 86% 36
9 OBSTET GYNAECOL 33687 4% 3% 1032
10 PRENATAL MED 26182 0% 30% 73

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 PRENATAL DIAGNOSIS 628763 7% 31% 1712
2 ULTRASOUND IN OBSTETRICS & GYNECOLOGY 219188 4% 20% 913
3 FETAL DIAGNOSIS AND THERAPY 211930 2% 29% 618
4 TRANSFUSION 180649 4% 14% 1077
5 VOX SANGUINIS 120349 2% 16% 629
6 ACTA GENETICAE MEDICAE ET GEMELLOLOGIAE 100490 1% 46% 184
7 AMERICAN JOURNAL OF OBSTETRICS AND GYNECOLOGY 79402 5% 6% 1162
8 TWIN RESEARCH AND HUMAN GENETICS 48346 1% 20% 201
9 OBSTETRICS AND GYNECOLOGY 41749 3% 5% 710
10 BEITRAGE ZUR INFUSIONSTHERAPIE/CONTRIBUTIONS TO INFUSION THERAPY 37771 1% 16% 193

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 NUCHAL TRANSLUCENCY 519196 2% 76% 569 Search NUCHAL+TRANSLUCENCY Search NUCHAL+TRANSLUCENCY
2 TWIN TWIN TRANSFUSION SYNDROME 344471 1% 90% 319 Search TWIN+TWIN+TRANSFUSION+SYNDROME Search TWIN+TWIN+TRANSFUSION+SYNDROME
3 PRENATAL DIAGNOSIS 329675 5% 21% 1350 Search PRENATAL+DIAGNOSIS Search PRENATAL+DIAGNOSIS
4 PRENATAL SCREENING 324196 2% 68% 401 Search PRENATAL+SCREENING Search PRENATAL+SCREENING
5 MONOCHORIONIC TWINS 257548 1% 90% 240 Search MONOCHORIONIC+TWINS Search MONOCHORIONIC+TWINS
6 DOWN SYNDROME 224705 4% 18% 1023 Search DOWN+SYNDROME Search DOWN+SYNDROME
7 SPINA BIFIDA 201349 2% 36% 470 Search SPINA+BIFIDA Search SPINA+BIFIDA
8 TRISOMY 21 190126 2% 38% 416 Search TRISOMY+21 Search TRISOMY+21
9 MYELOMENINGOCELE 183953 1% 44% 351 Search MYELOMENINGOCELE Search MYELOMENINGOCELE
10 TWIN TO TWIN TRANSFUSION SYNDROME 179899 1% 89% 168 Search TWIN+TO+TWIN+TRANSFUSION+SYNDROME Search TWIN+TO+TWIN+TRANSFUSION+SYNDROME

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 ALLDRED, SK , TAKWOINGI, Y , GUO, BL , PENNANT, M , DEEKS, JJ , NEILSON, JP , ALFIREVIC, Z , (2015) FIRST TRIMESTER SERUM TESTS FOR DOWN'S SYNDROME SCREENING.COCHRANE DATABASE OF SYSTEMATIC REVIEWS. VOL. . ISSUE 11. P. - 484 90% 0
2 ALLDRED, SK , DEEKS, JJ , GUO, B , NEILSON, JP , ALFIREVIC, Z , (2012) SECOND TRIMESTER SERUM TESTS FOR DOWN'S SYNDROME SCREENING.COCHRANE DATABASE OF SYSTEMATIC REVIEWS. VOL. . ISSUE 6. P. - 391 94% 5
3 ALLDRED, SK , GUO, BL , TAKWOINGI, Y , PENNANT, M , WISNIEWSKI, S , DEEKS, JJ , NEILSON, JP , ALFIREVIC, Z , (2015) URINE TESTS FOR DOWN'S SYNDROME SCREENING.COCHRANE DATABASE OF SYSTEMATIC REVIEWS. VOL. . ISSUE 12. P. - 369 92% 0
4 GIL, MM , QUEZADA, MS , REVELLO, R , AKOLEKAR, R , NICOLAIDES, KH , (2015) ANALYSIS OF CELL-FREE DNA IN MATERNAL BLOOD IN SCREENING FOR FETAL ANEUPLOIDIES: UPDATED META-ANALYSIS.ULTRASOUND IN OBSTETRICS & GYNECOLOGY. VOL. 45. ISSUE 3. P. 249 -266 81 95% 91
5 NICOLAIDES, KH , (2004) NUCHAL TRANSLUCENCY AND OTHER FIRST-TRIMESTER SONOGRAPHIC MARKERS OF CHROMOSOMAL ABNORMALITIES.AMERICAN JOURNAL OF OBSTETRICS AND GYNECOLOGY. VOL. 191. ISSUE 1. P. 45 -67 166 86% 263
6 NICOLAIDES, KH , (2011) SCREENING FOR FETAL ANEUPLOIDIES AT 11 TO 13 WEEKS.PRENATAL DIAGNOSIS. VOL. 31. ISSUE 1. P. 7 -15 97 97% 183
7 KHALIL, A , RODGERS, M , BASCHAT, A , BHIDE, A , GRATACOS, E , HECHER, K , KILBY, MD , LEWI, L , NICOLAIDES, KH , OEPKES, D , ET AL (2016) ISUOG PRACTICE GUIDELINES: ROLE OF ULTRASOUND IN TWIN PREGNANCY.ULTRASOUND IN OBSTETRICS & GYNECOLOGY. VOL. 47. ISSUE 2. P. 247 -263 100 90% 6
8 GEIFMAN-HOLTZMAN, O , BERMAN, JO , (2008) PRENATAL DIAGNOSIS: UPDATE ON INVASIVE VERSUS NONINVASIVE FETAL DIAGNOSTIC TESTING FROM MATERNAL BLOOD.EXPERT REVIEW OF MOLECULAR DIAGNOSTICS. VOL. 8. ISSUE 6. P. 727-751 180 82% 12
9 FISK, NM , DUNCOMBE, GJ , SULLIVAN, MHF , (2009) THE BASIC AND CLINICAL SCIENCE OF TWIN-TWIN TRANSFUSION SYNDROME.PLACENTA. VOL. 30. ISSUE 5. P. 379 -390 138 92% 46
10 SIMPSON, LL , (2013) TWIN-TWIN TRANSFUSION SYNDROME.AMERICAN JOURNAL OF OBSTETRICS AND GYNECOLOGY. VOL. 208. ISSUE 1. P. 3 -18 97 99% 52

Classes with closest relation at Level 3


Rank Class id link
1 635 CONGENITAL DIAPHRAGMATIC HERNIA//CHYLOTHORAX//BRONCHOGENIC CYST
2 196 GENETICS & HEREDITY//FRAGILE X SYNDROME//AMERICAN JOURNAL OF MEDICAL GENETICS
3 225 PEDIATRICS//NEONATOL//MOYAMOYA DISEASE
4 186 OBSTETRICS & GYNECOLOGY//PREGNANCY//POSTPARTUM DEPRESSION
5 193 PREECLAMPSIA//OBSTETRICS & GYNECOLOGY//REPRODUCTIVE BIOLOGY
6 530 SPLENECTOMY//COMMON VARIABLE IMMUNODEFICIENCY//IMMUNE THROMBOCYTOPENIA
7 625 HYPOSPADIAS//ANORECTAL MALFORMATION//BLADDER EXSTROPHY
8 474 CLEFT PALATE-CRANIOFACIAL JOURNAL//CLEFT PALATE//CRANIOSYNOSTOSIS
9 457 HYDROCEPHALUS//SYRINGOMYELIA//VENTRICULOPERITONEAL SHUNT
10 411 CONTRACEPTION//AMFITEATRU ECONOMIC//ECTOPIC PREGNANCY

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