Class information for:
Level 1: CELL FREE FETAL DNA//NON INVASIVE PRENATAL DIAGNOSIS//FETAL DNA

Basic class information
Class id #P Avg. number of
references		 Database coverage
of references
4030 1860 30.7 83%


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
3087 2             CELL FREE FETAL DNA//NON INVASIVE PRENATAL DIAGNOSIS//FETAL DNA 2369
4030 1                   CELL FREE FETAL DNA//NON INVASIVE PRENATAL DIAGNOSIS//FETAL DNA 1860

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 CELL FREE FETAL DNA authKW 2013666 7% 90% 137
2 NON INVASIVE PRENATAL DIAGNOSIS authKW 1813985 6% 94% 118
3 FETAL DNA authKW 1799700 6% 93% 118
4 NONINVASIVE PRENATAL DIAGNOSIS authKW 1546787 6% 90% 105
5 NON INVASIVE PRENATAL TESTING authKW 1515588 6% 86% 107
6 MATERNAL PLASMA authKW 1117192 5% 69% 99
7 FETAL CELLS authKW 789477 5% 55% 88
8 CIRCULATING FETAL NUCLE ACIDS address 729855 3% 91% 49
9 MATERNAL BLOOD authKW 643383 5% 47% 84
10 FETAL CELLS IN MATERNAL BLOOD authKW 625334 2% 95% 40

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 57911 53% 0% 987
2 Genetics & Heredity 12789 35% 0% 647
3 Medical Laboratory Technology 9722 12% 0% 226
4 Reproductive Biology 1523 6% 0% 110
5 Hematology 599 6% 0% 116
6 Medicine, General & Internal 196 6% 0% 120
7 Acoustics 172 2% 0% 40
8 Medical Ethics 152 1% 0% 11
9 Medicine, Research & Experimental 124 4% 0% 79
10 Ethics 82 1% 0% 15

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 CIRCULATING FETAL NUCLE ACIDS 729855 3% 91% 49
2 PRENATAL MED 204259 3% 23% 55
3 UNIV WOMENS HOSP 90457 1% 26% 21
4 HARRIS BIRTHRIGHT FETAL MED 80510 3% 8% 60
5 NE THAMES REG MOL GENET 73865 0% 75% 6
6 LI KA SHING HLTH SCI 64644 4% 6% 66
7 CHEM PATHOL 63844 6% 3% 120
8 MOTHER INFANT 57763 1% 13% 27
9 INT BLOOD GRP REFERENCE 56263 1% 29% 12
10 FETAL MED UNIT 55847 3% 6% 60

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 398702 20% 7% 368
2 FETAL DIAGNOSIS AND THERAPY 42782 4% 3% 75
3 CLINICAL CHEMISTRY 11191 5% 1% 90
4 JOURNAL OF GENETIC COUNSELING 5541 1% 2% 15
5 GENETICS IN MEDICINE 4455 1% 1% 21
6 AMERICAN JOURNAL OF OBSTETRICS AND GYNECOLOGY 4265 4% 0% 73
7 ULTRASOUND IN OBSTETRICS & GYNECOLOGY 4124 2% 1% 34
8 JOURNAL OF MATERNAL-FETAL & NEONATAL MEDICINE 4038 2% 1% 32
9 SEMINARS IN FETAL & NEONATAL MEDICINE 3531 1% 2% 12
10 MEDIZINISCHE GENETIK 2525 0% 3% 6

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 CELL FREE FETAL DNA 2013666 7% 90% 137 Search CELL+FREE+FETAL+DNA Search CELL+FREE+FETAL+DNA
2 NON INVASIVE PRENATAL DIAGNOSIS 1813985 6% 94% 118 Search NON+INVASIVE+PRENATAL+DIAGNOSIS Search NON+INVASIVE+PRENATAL+DIAGNOSIS
3 FETAL DNA 1799700 6% 93% 118 Search FETAL+DNA Search FETAL+DNA
4 NONINVASIVE PRENATAL DIAGNOSIS 1546787 6% 90% 105 Search NONINVASIVE+PRENATAL+DIAGNOSIS Search NONINVASIVE+PRENATAL+DIAGNOSIS
5 NON INVASIVE PRENATAL TESTING 1515588 6% 86% 107 Search NON+INVASIVE+PRENATAL+TESTING Search NON+INVASIVE+PRENATAL+TESTING
6 MATERNAL PLASMA 1117192 5% 69% 99 Search MATERNAL+PLASMA Search MATERNAL+PLASMA
7 FETAL CELLS 789477 5% 55% 88 Search FETAL+CELLS Search FETAL+CELLS
8 MATERNAL BLOOD 643383 5% 47% 84 Search MATERNAL+BLOOD Search MATERNAL+BLOOD
9 FETAL CELLS IN MATERNAL BLOOD 625334 2% 95% 40 Search FETAL+CELLS+IN+MATERNAL+BLOOD Search FETAL+CELLS+IN+MATERNAL+BLOOD
10 NIPT 373516 2% 71% 32 Search NIPT Search NIPT

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 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 77 91% 91
2 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. 727-751 165 75% 12
3 EDLOW, AG , BIANCHI, DW , (2012) TRACKING FETAL DEVELOPMENT THROUGH MOLECULAR ANALYSIS OF MATERNAL BIOFLUIDS.BIOCHIMICA ET BIOPHYSICA ACTA-MOLECULAR BASIS OF DISEASE. VOL. 1822. ISSUE 12. P. 1970 -1980 117 89% 3
4 WONG, FCK , LO, YMD , (2016) PRENATAL DIAGNOSIS INNOVATION: GENOME SEQUENCING OF MATERNAL PLASMA.ANNUAL REVIEW OF MEDICINE, VOL 67. VOL. 67. ISSUE . P. 419 -432 75 82% 7
5 CHITTY, LS , LO, YMD , (2015) NONINVASIVE PRENATAL SCREENING FOR GENETIC DISEASES USING MASSIVELY PARALLEL SEQUENCING OF MATERNAL PLASMA DNA.COLD SPRING HARBOR PERSPECTIVES IN MEDICINE. VOL. 5. ISSUE 9. P. - 96 93% 0
6 WRIGHT, CF , BURTON, H , (2009) THE USE OF CELL-FREE FETAL NUCLEIC ACIDS IN MATERNAL BLOOD FOR NON-INVASIVE PRENATAL DIAGNOSIS.HUMAN REPRODUCTION UPDATE. VOL. 15. ISSUE 1. P. 139 -151 97 82% 113
7 THUNG, DT , BEULEN, L , HEHIR-KWA, J , FAAS, BH , (2015) IMPLEMENTATION OF WHOLE GENOME MASSIVELY PARALLEL SEQUENCING FOR NONINVASIVE PRENATAL TESTING IN LABORATORIES.EXPERT REVIEW OF MOLECULAR DIAGNOSTICS. VOL. 15. ISSUE 1. P. 111 -124 85 96% 2
8 SAYRES, LC , CHO, MK , (2011) CELL-FREE FETAL NUCLEIC ACID TESTING: A REVIEW OF THE TECHNOLOGY AND ITS APPLICATIONS.OBSTETRICAL & GYNECOLOGICAL SURVEY. VOL. 66. ISSUE 7. P. 431 -442 92 86% 10
9 BIANCHI, DW , WILKINS-HAUG, L , (2014) INTEGRATION OF NONINVASIVE DNA TESTING FOR ANEUPLOIDY INTO PRENATAL CARE: WHAT HAS HAPPENED SINCE THE RUBBER MET THE ROAD?.CLINICAL CHEMISTRY. VOL. 60. ISSUE 1. P. 78 -87 57 92% 50
10 SEKIZAWA, A , PURWOSUNU, Y , MATSUOKA, R , KOIDE, K , OKAZAKI, S , FARINA, A , SAITO, H , OKAI, T , (2007) RECENT ADVANCES IN NON-INVASIVE PRENATAL DNA DIAGNOSIS THROUGH ANALYSIS OF MATERNAL BLOOD.JOURNAL OF OBSTETRICS AND GYNAECOLOGY RESEARCH. VOL. 33. ISSUE 6. P. 747 -764 110 77% 13

Classes with closest relation at Level 1


Rank Class id link
1 19360 MICROCHIMERISM//FETAL MICROCHIMERISM//FETAL CELL MICROCHIMERISM
2 22554 QF PCR//UNCULTURED AMNIOCYTES//RAPID ANEUPLOIDY DETECTION
3 6372 CELL FREE DNA//CIRCULATING DNA//CIRCULATING CELL FREE DNA
4 37187 PLAC1//FC 215//1 MCF
5 5348 CHORIONIC VILLUS SAMPLING//AMNIOCENTESIS//CONFINED PLACENTAL MOSAICISM
6 731 NUCHAL TRANSLUCENCY//DOWN SYNDROME//TRISOMY 21
7 6281 PRENATAL SCREENING//FETAL ABNORMALITY//PRENATAL TESTING
8 10696 WEAK D//RH BLOOD GROUP//RH BLOOD GROUP SYSTEM
9 27287 DIGITAL PCR//DROPLET DIGITAL PCR//ACTIVITY BASED BIOMARKERS
10 4166 FETAL ANEMIA//INTRAUTERINE TRANSFUSION//FETOMATERNAL HEMORRHAGE

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