Class information for:
Level 2: NUCHAL TRANSLUCENCY//FREE BETA HCG//PAPP A

Basic class information
ID Publications Average number
of references		 Avg. shr. active
ref. in WoS
1693 6171 24.1 69%


Bar chart of Publication_year

Last years might be incomplete

Classes in level above (level 3)


ID, lev.
above		 Publications Label for level above
562 15187 NUCHAL TRANSLUCENCY//TWIN TWIN TRANSFUSION SYNDROME//NON INVASIVE PRENATAL DIAGNOSIS

Classes in level below (level 1)


ID, lev. below Publications Label for level below
608 3164 NUCHAL TRANSLUCENCY//FREE BETA HCG//PRENATAL SCREENING
8384 1189 EARLY AMNIOCENTESIS//CHORIONIC VILLUS SAMPLING//AMNIOCENTESIS
13810 748 MATERNAL SERUM ALPHA FETOPROTEIN//MATERNAL SERUM ALPHA FETOPROTEIN MSAFP//MATERNAL SERUM HUMAN CHORIONIC GONADOTROPIN
15387 645 TFPI 2//TISSUE FACTOR PATHWAY INHIBITOR 2//ESTETROL
19790 425 PREGNANCY ASSOCIATED PLASMA PROTEIN A//PAPP A//PAPPALYSIN

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 NUCHAL TRANSLUCENCY Author keyword 663 72% 9% 525
2 FREE BETA HCG Author keyword 319 89% 2% 147
3 PAPP A Author keyword 293 73% 4% 223
4 PRENATAL DIAGNOSIS Journal 215 19% 16% 1016
5 PREGNANCY ASSOCIATED PLASMA PROTEIN A Author keyword 198 72% 3% 156
6 PRENATAL SCREENING Author keyword 175 48% 4% 265
7 FIRST TRIMESTER SCREENING Author keyword 147 56% 3% 179
8 TRISOMY 21 Author keyword 129 32% 5% 330
9 FIRST TRIMESTER Author keyword 100 31% 4% 266
10 EARLY AMNIOCENTESIS Author keyword 97 90% 1% 43

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 NUCHAL TRANSLUCENCY 663 72% 9% 525 Search NUCHAL+TRANSLUCENCY Search NUCHAL+TRANSLUCENCY
2 FREE BETA HCG 319 89% 2% 147 Search FREE+BETA+HCG Search FREE+BETA+HCG
3 PAPP A 293 73% 4% 223 Search PAPP+A Search PAPP+A
4 PREGNANCY ASSOCIATED PLASMA PROTEIN A 198 72% 3% 156 Search PREGNANCY+ASSOCIATED+PLASMA+PROTEIN+A Search PREGNANCY+ASSOCIATED+PLASMA+PROTEIN+A
5 PRENATAL SCREENING 175 48% 4% 265 Search PRENATAL+SCREENING Search PRENATAL+SCREENING
6 FIRST TRIMESTER SCREENING 147 56% 3% 179 Search FIRST+TRIMESTER+SCREENING Search FIRST+TRIMESTER+SCREENING
7 TRISOMY 21 129 32% 5% 330 Search TRISOMY+21 Search TRISOMY+21
8 FIRST TRIMESTER 100 31% 4% 266 Search FIRST+TRIMESTER Search FIRST+TRIMESTER
9 EARLY AMNIOCENTESIS 97 90% 1% 43 Search EARLY+AMNIOCENTESIS Search EARLY+AMNIOCENTESIS
10 DOWN SYNDROME 93 15% 10% 590 Search DOWN+SYNDROME Search DOWN+SYNDROME

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 FREE BETA HCG 431 78% 5% 282
2 TRISOMY 21 346 43% 10% 611
3 PAPP A 340 68% 5% 302
4 FETAL NUCHAL TRANSLUCENCY 337 73% 4% 261
5 UNCONJUGATED ESTRIOL 299 75% 4% 218
6 1ST TRIMESTER 291 31% 13% 778
7 PLASMA PROTEIN A 276 57% 5% 329
8 NUCHAL TRANSLUCENCY 208 51% 5% 296
9 CHROMOSOMAL DEFECTS 171 75% 2% 123
10 CHROMOSOMALLY NORMAL FETUSES 135 72% 2% 106

Journals


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 PRENATAL DIAGNOSIS 215 19% 16% 1016

Reviews


Title Publ. year Cit. Active references % act. ref.
to same field
Procedure-related risk of miscarriage following amniocentesis and chorionic villus sampling: a systematic review and meta-analysis 2015 18 40 73%
Screening for fetal aneuploidies at 11 to 13 weeks 2011 136 100 94%
Meta-analysis of second-trimester markers for trisomy 21 2013 33 58 93%
Procedure-related complications of amniocentesis and chorionic villous sampling - A systematic review 2007 178 37 95%
Update on Procedure-Related Risks for Prenatal Diagnosis Techniques 2010 96 43 86%
Nuchal translucency and other first-trimester sonographic markers of chromosomal abnormalities 2004 239 192 85%
Nuchal Translucency Quality Review (NTQR) program: first one and half million results 2015 2 14 100%
Key questions and answers about pregnancy-associated plasma protein-A 2012 21 81 74%
Screening for chromosomal abnormalities in the first trimester using ultrasound and maternal serum biochemistry in a one-stop clinic: a review of three years prospective experience 2003 149 21 86%
Increased nuchal translucency in euploid fetuses-what should we be telling the parents? 2010 43 113 60%

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 HARRIS BIRTHRIGHT FETAL MED 54 26% 2.9% 176
2 PRENATAL SCREENING UNIT 26 61% 0.4% 27
3 FETAL MED UNIT 12 11% 1.7% 102
4 OBSTET GYNECOL PRENATAL PREIMPLANTAT GEN 12 86% 0.1% 6
5 PRENATAL DIAG UNIT 7 23% 0.4% 27
6 PRENATAL UNIT 6 48% 0.2% 10
7 UO OSTETR GINECOL 6 71% 0.1% 5
8 PRENATAL SPECIAL TESTING 6 53% 0.1% 8
9 STAT M PING 4 75% 0.0% 3
10 FETAL MED SERV 3 50% 0.1% 5

Related classes at same level (level 2)


Rank Relatedness score Related classes
1 0.0000022267 NON INVASIVE PRENATAL DIAGNOSIS//CELL FREE FETAL DNA//FETAL DNA
2 0.0000016570 TWIN TWIN TRANSFUSION SYNDROME//MONOCHORIONIC TWINS//TWIN TO TWIN TRANSFUSION SYNDROME
3 0.0000014028 GENETIC TESTING//JOURNAL OF GENETIC COUNSELING//GENETIC COUNSELING
4 0.0000013460 SHOULDER DYSTOCIA//FETAL HEART RATE//FETAL MONITORING
5 0.0000012680 WOLF HIRSCHHORN SYNDROME//HOLOPROSENCEPHALY//ANNALES DE GENETIQUE
6 0.0000011922 MENINGOMYELOCELE//SPINA BIFIDA//FETAL SURGERY
7 0.0000010852 GASTROSCHISIS//OMPHALOCELE//ABDOMINAL WALL DEFECTS
8 0.0000008816 RHOMBENCEPHALOSYNAPSIS//PONTOCEREBELLAR HYPOPLASIA//ARTHROGRYPOSIS
9 0.0000008647 CLUB FOOT//PONSETI//LIMB BODY WALL COMPLEX
10 0.0000008546 CHYLOTHORAX//LYMPHANGIOMA//CHYLOUS ASCITES