Class information for:
Level 1: NUCHAL TRANSLUCENCY//DOWN SYNDROME//TRISOMY 21

Basic class information
Class id #P Avg. number of
references		 Database coverage
of references
731 3123 24.5 79%


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
731 1                   NUCHAL TRANSLUCENCY//DOWN SYNDROME//TRISOMY 21 3123

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 NUCHAL TRANSLUCENCY authKW 3403512 16% 68% 510
2 DOWN SYNDROME authKW 1091373 25% 14% 787
3 TRISOMY 21 authKW 1001872 11% 31% 334
4 PRENATAL SCREENING authKW 908578 8% 40% 235
5 FREE BETA HCG authKW 837850 4% 71% 120
6 PRENATAL DIAGNOSIS journal 738621 21% 12% 649
7 FIRST TRIMESTER SCREENING authKW 738057 5% 47% 160
8 FIRST TRIMESTER authKW 658900 8% 27% 248
9 NASAL BONE authKW 480968 3% 59% 83
10 PAPP A authKW 478675 4% 39% 125

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 173099 71% 1% 2202
2 Acoustics 20625 16% 0% 486
3 Genetics & Heredity 11609 26% 0% 812
4 Radiology, Nuclear Medicine & Medical Imaging 5987 18% 0% 556
5 Medical Laboratory Technology 1899 4% 0% 135
6 Pediatrics 634 6% 0% 184
7 Reproductive Biology 593 3% 0% 95
8 Medicine, General & Internal 151 5% 0% 156
9 Public, Environmental & Occupational Health 47 3% 0% 96
10 Developmental Biology 25 1% 0% 30

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 HARRIS BIRTHRIGHT FETAL MED 295848 5% 20% 149
2 PRENATAL SCREENING UNIT 78401 1% 42% 19
3 FETAL MED UNIT 63621 3% 8% 83
4 OBSTET GYNECOL PRENATAL PREIMPLANTAT GEN 53220 0% 78% 7
5 OBSTET GYNECOL 51138 26% 1% 823
6 MATERNAL FETAL MED 45536 5% 3% 171
7 PRENATAL SPECIAL TESTING 41702 0% 53% 8
8 WOLFSON PREVENT MED 34969 2% 6% 65
9 UO OSTETR GINECOL 34910 0% 71% 5
10 FETAL MED 34066 2% 6% 63

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 738621 21% 12% 649
2 ULTRASOUND IN OBSTETRICS & GYNECOLOGY 228840 10% 7% 326
3 FETAL DIAGNOSIS AND THERAPY 69646 4% 6% 124
4 JOURNAL OF MEDICAL SCREENING 24487 1% 6% 41
5 AMERICAN JOURNAL OF OBSTETRICS AND GYNECOLOGY 22988 7% 1% 218
6 JOURNAL OF ULTRASOUND IN MEDICINE 18450 3% 2% 109
7 BRITISH JOURNAL OF OBSTETRICS AND GYNAECOLOGY 14361 3% 2% 86
8 OBSTETRICS AND GYNECOLOGY 12253 4% 1% 134
9 SEMINARS IN PERINATOLOGY 8345 1% 2% 40
10 JOURNAL OF MATERNAL-FETAL & NEONATAL MEDICINE 5630 2% 1% 49

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 3403512 16% 68% 510 Search NUCHAL+TRANSLUCENCY Search NUCHAL+TRANSLUCENCY
2 DOWN SYNDROME 1091373 25% 14% 787 Search DOWN+SYNDROME Search DOWN+SYNDROME
3 TRISOMY 21 1001872 11% 31% 334 Search TRISOMY+21 Search TRISOMY+21
4 PRENATAL SCREENING 908578 8% 40% 235 Search PRENATAL+SCREENING Search PRENATAL+SCREENING
5 FREE BETA HCG 837850 4% 71% 120 Search FREE+BETA+HCG Search FREE+BETA+HCG
6 FIRST TRIMESTER SCREENING 738057 5% 47% 160 Search FIRST+TRIMESTER+SCREENING Search FIRST+TRIMESTER+SCREENING
7 FIRST TRIMESTER 658900 8% 27% 248 Search FIRST+TRIMESTER Search FIRST+TRIMESTER
8 NASAL BONE 480968 3% 59% 83 Search NASAL+BONE Search NASAL+BONE
9 PAPP A 478675 4% 39% 125 Search PAPP+A Search PAPP+A
10 DOWN SYNDROME SCREENING 440871 2% 72% 63 Search DOWN+SYNDROME+SCREENING Search DOWN+SYNDROME+SCREENING

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. - 466 87% 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. - 380 91% 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. - 358 90% 0
4 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 -67 154 80% 263
5 NICOLAIDES, KH , (2011) SCREENING FOR FETAL ANEUPLOIDIES AT 11 TO 13 WEEKS.PRENATAL DIAGNOSIS. VOL. 31. ISSUE 1. P. 7 -15 93 93% 183
6 SONEK, J , CROOM, C , (2014) SECOND TRIMESTER ULTRASOUND MARKERS OF FETAL ANEUPLOIDY.CLINICAL OBSTETRICS AND GYNECOLOGY. VOL. 57. ISSUE 1. P. 159-181 117 75% 3
7 SPENCER, K , (2007) ANEUPLOIDY SCREENING IN THE FIRST TRIMESTER.AMERICAN JOURNAL OF MEDICAL GENETICS PART C-SEMINARS IN MEDICAL GENETICS. VOL. 145C. ISSUE 1. P. 18 -32 92 93% 36
8 HYETT, J , MOGRA, R , SONEK, J , (2014) FIRST TRIMESTER ULTRASOUND ASSESSMENT FOR FETAL ANEUPLOIDY.CLINICAL OBSTETRICS AND GYNECOLOGY. VOL. 57. ISSUE 1. P. 142-158 91 79% 1
9 BENACERRAF, BR , (2005) THE ROLE OF THE SECOND TRIMESTER GENETIC SONOGRAM IN SCREENING FOR FETAL DOWN SYNDROME.SEMINARS IN PERINATOLOGY. VOL. 29. ISSUE 6. P. 386-394 89 93% 26
10 BENACERRAF, BR , (2010) THE HISTORY OF THE SECOND-TRIMESTER SONOGRAPHIC MARKERS FOR DETECTING FETAL DOWN SYNDROME, AND THEIR CURRENT ROLE IN OBSTETRIC PRACTICE.PRENATAL DIAGNOSIS. VOL. 30. ISSUE 7. P. 644-652 75 94% 20

Classes with closest relation at Level 1


Rank Class id link
1 15327 MATERNAL SERUM ALPHA FETOPROTEIN//MATERNAL SERUM HUMAN CHORIONIC GONADOTROPIN//AMNIOTIC FLUID ALPHA FETOPROTEIN
2 17608 PREGNANCY ASSOCIATED PLASMA PROTEIN A//PAPP A//PAPPALYSIN
3 6281 PRENATAL SCREENING//FETAL ABNORMALITY//PRENATAL TESTING
4 22629 FETAL AUTOPSY//GYNECOL OBSTET PRENATAL DIAG//PART H OF INDIVIDUALS WITH DISABILITIES EDUCATION ACT
5 18091 FETAL FACE//HDLIVE//THREE DIMENSIONAL ULTRASOUND
6 24649 TRISOMY 18//TRISOMY 13//PATAU SYNDROME
7 4030 CELL FREE FETAL DNA//NON INVASIVE PRENATAL DIAGNOSIS//FETAL DNA
8 12059 MIRROR SYNDROME//PLEUROAMNIOTIC SHUNT//BALLANTYNE SYNDROME
9 22554 QF PCR//UNCULTURED AMNIOCYTES//RAPID ANEUPLOIDY DETECTION
10 23347 MECONIUM PERITONITIS//ECHOGENIC BOWEL//HYPERECHOGENIC FETAL BOWEL

Go to start page