Class information for:
Level 1: NUCHAL TRANSLUCENCY//FREE BETA HCG//PRENATAL SCREENING

Basic class information
ID Publications Average number
of references		 Avg. shr. active
ref. in WoS
608 3164 23.9 79%


Bar chart of Publication_year

Last years might be incomplete

Classes in level above (level 2)


ID, lev.
above		 Publications Label for level above
1693 6171 NUCHAL TRANSLUCENCY//FREE BETA HCG//PAPP A

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 652 71% 16% 522
2 FREE BETA HCG Author keyword 291 87% 5% 144
3 PRENATAL SCREENING Author keyword 160 47% 8% 255
4 PAPP A Author keyword 141 56% 5% 171
5 FIRST TRIMESTER SCREENING Author keyword 139 55% 6% 175
6 TRISOMY 21 Author keyword 128 32% 10% 328
7 PRENATAL DIAGNOSIS Journal 94 13% 22% 685
8 FIRST TRIMESTER Author keyword 92 30% 8% 256
9 DOWN SYNDROME Author keyword 88 14% 18% 576
10 NASAL BONE Author keyword 76 60% 3% 83

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 652 71% 16% 522 Search NUCHAL+TRANSLUCENCY Search NUCHAL+TRANSLUCENCY
2 FREE BETA HCG 291 87% 5% 144 Search FREE+BETA+HCG Search FREE+BETA+HCG
3 PRENATAL SCREENING 160 47% 8% 255 Search PRENATAL+SCREENING Search PRENATAL+SCREENING
4 PAPP A 141 56% 5% 171 Search PAPP+A Search PAPP+A
5 FIRST TRIMESTER SCREENING 139 55% 6% 175 Search FIRST+TRIMESTER+SCREENING Search FIRST+TRIMESTER+SCREENING
6 TRISOMY 21 128 32% 10% 328 Search TRISOMY+21 Search TRISOMY+21
7 FIRST TRIMESTER 92 30% 8% 256 Search FIRST+TRIMESTER Search FIRST+TRIMESTER
8 DOWN SYNDROME 88 14% 18% 576 Search DOWN+SYNDROME Search DOWN+SYNDROME
9 NASAL BONE 76 60% 3% 83 Search NASAL+BONE Search NASAL+BONE
10 DOWN SYNDROME SCREENING 69 75% 2% 49 Search DOWN+SYNDROME+SCREENING Search DOWN+SYNDROME+SCREENING

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 357 74% 8% 266
2 TRISOMY 21 335 43% 19% 603
3 FETAL NUCHAL TRANSLUCENCY 325 72% 8% 258
4 1ST TRIMESTER 218 27% 22% 682
5 UNCONJUGATED ESTRIOL 200 65% 6% 190
6 NUCHAL TRANSLUCENCY 182 48% 9% 280
7 CHROMOSOMAL DEFECTS 171 75% 4% 123
8 PLASMA PROTEIN A 166 46% 8% 268
9 CHROMOSOMALLY NORMAL FETUSES 135 72% 3% 106
10 2ND TRIMESTER FETUSES 135 85% 2% 72

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 94 13% 22% 685

Reviews


Title Publ. year Cit. Active references % act. ref.
to same field
Screening for fetal aneuploidies at 11 to 13 weeks 2011 136 100 94%
Nuchal Translucency Quality Review (NTQR) program: first one and half million results 2015 2 14 100%
Meta-analysis of second-trimester markers for trisomy 21 2013 33 58 93%
Nuchal translucency and other first-trimester sonographic markers of chromosomal abnormalities 2004 239 192 82%
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%
Second-trimester ultrasound to detect fetuses with Down syndrome - A meta-analysis 2001 160 92 74%
Nasal bone assessment in prenatal screening for trisomy 21 2006 53 42 98%
The history of the second-trimester sonographic markers for detecting fetal Down syndrome, and their current role in obstetric practice 2010 19 80 94%
Aneuploidy screening in the first trimester 2007 34 99 97%

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 51 26% 5.4% 171
2 PRENATAL SCREENING UNIT 26 61% 0.9% 27
3 OBSTET GYNECOL PRENATAL PREIMPLANTAT GEN 12 86% 0.2% 6
4 PRENATAL UNIT 6 48% 0.3% 10
5 UO OSTETR GINECOL 6 71% 0.2% 5
6 PRENATAL DIAG UNIT 5 19% 0.7% 22
7 PRENATAL SPECIAL TESTING 4 47% 0.2% 7
8 STAT M PING 4 75% 0.1% 3
9 FETAL MED SERV 3 50% 0.2% 5
10 ULTRASOUND OBSTET 3 100% 0.1% 3

Related classes at same level (level 1)


Rank Relatedness score Related classes
1 0.0000168679 MATERNAL SERUM ALPHA FETOPROTEIN//MATERNAL SERUM ALPHA FETOPROTEIN MSAFP//MATERNAL SERUM HUMAN CHORIONIC GONADOTROPIN
2 0.0000126201 FETAL ABNORMALITY//PRENATAL SCREENING//PRENATAL TESTING
3 0.0000114762 PREGNANCY ASSOCIATED PLASMA PROTEIN A//PAPP A//PAPPALYSIN
4 0.0000101553 FETAL FACE//FETAL PALATE//HDLIVE
5 0.0000099535 TRISOMY 18//TRISOMY 13//PATAU SYNDROME
6 0.0000094651 FETAL ECHOCARDIOGRAPHY//SPATIOTEMPORAL IMAGE CORRELATION//FETAL HEART
7 0.0000084292 EARLY AMNIOCENTESIS//CHORIONIC VILLUS SAMPLING//AMNIOCENTESIS
8 0.0000079572 AMNIOTIC FLUID SUPERNATANT//CERVICAL VAGINAL FLUID//UNITE MED MATERNO FOETALE
9 0.0000077485 DOUBLE ANEUPLOIDY//NONDISJUNCTION//48 XXY 21
10 0.0000073051 QF PCR//UNCULTURED AMNIOCYTES//RAPID ANEUPLOIDY DETECTION