K O Kagan Selected Research

Chorionic Gonadotropin (Human Chorionic Gonadotropin)

4/2018	First-trimester risk assessment based on ultrasound and cell-free DNA vs combined screening: a randomized controlled trial.
11/2012	First-trimester combined screening for trisomy 21 with different combinations of placental growth factor, free β-human chorionic gonadotropin and pregnancy-associated plasma protein-A.
8/2012	Impact of bias in crown-rump length measurement at first-trimester screening for trisomy 21.
9/2011	Impact of bias in serum free beta-human chorionic gonadotropin and pregnancy-associated plasma protein-A multiples of the median levels on first-trimester screening for trisomy 21.
11/2010	Two-stage first-trimester screening for trisomy 21 by ultrasound assessment and biochemical testing.
7/2009	Prospective validation of first-trimester combined screening for trisomy 21.
6/2009	Effect of deviation of nuchal translucency measurements on the performance of screening for trisomy 21.
5/2009	Ductus venosus Doppler in screening for trisomies 21, 18 and 13 and Turner syndrome at 11-13 weeks of gestation.
3/2009	Fetal nasal bone in screening for trisomies 21, 18 and 13 and Turner syndrome at 11-13 weeks of gestation.
1/2009	Tricuspid regurgitation in screening for trisomies 21, 18 and 13 and Turner syndrome at 11+0 to 13+6 weeks of gestation.

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K O Kagan Research Topics

Disease

20	Down Syndrome (Down's Syndrome) 04/2018 - 09/2007
9	Aneuploidy (Aneuploid) 04/2018 - 02/2008
4	Chromosome Aberrations (Chromosome Abnormalities) 02/2015 - 02/2008
2	Infections 01/2023 - 01/2021
2	Fetal Death 04/2018 - 05/2007
2	Trisomy (Trisomies) 01/2015 - 06/2014
2	Trisomy 18 Syndrome 01/2009 - 09/2008
1	Maternal Death 01/2023
1	Hypersensitivity (Allergy) 01/2023
1	Uterine Perforation 01/2023
1	Spontaneous Abortion (Miscarriage) 01/2021
1	Fetal Weight 08/2014
1	Turner Syndrome (Turner's Syndrome) 01/2009
1	Trisomy 13 Syndrome 01/2009
1	Abnormal Karyotype 02/2008
1	Premature Birth (Birth, Premature) 12/2006

Drug/Important Bio-Agent (IBA)

20	Pregnancy-Associated Plasma Protein-A (PAPP-A)IBA 01/2021 - 09/2007
15	Chorionic Gonadotropin (Human Chorionic Gonadotropin)FDA LinkGeneric 04/2018 - 02/2008
3	Cell-Free Nucleic AcidsIBA 04/2018 - 01/2015
3	DNA (Deoxyribonucleic Acid)IBA 03/2015 - 11/2012
3	Biomarkers (Surrogate Marker)IBA 09/2011 - 02/2008
2	dichlorobis(azomycin)platinum IIIBA 02/2015 - 06/2014
1	Immunoglobulins (Immunoglobulin)IBA 01/2021
1	Immunoglobulin M (IgM)IBA 01/2021
1	Immunoglobulin G (IgG)IBA 01/2021
1	AntibodiesIBA 08/2014
1	Intercellular Signaling Peptides and Proteins (Growth Factors)IBA 11/2012
1	Dihydrotachysterol (AT 10)IBA 06/2008
1	Progesterone FDA LinkGeneric 12/2006

Therapy/Procedure

1	Blood Transfusion (Blood Transfusions) 01/2023
1	Hysterectomy 01/2023
1	Operative Surgical Procedures 01/2023
1	Laser Therapy (Surgery, Laser) 05/2007
1	Prenatal Care (Care, Prenatal) 12/2006