@incollection{,
	
					
					
					CCFE59F9476788D52C7335FEA220B707
				,
	author={{Dr. DraganLoncar} and {Medical faculty of Kragujevac}},
	journal={{Global Journal of Medical Research}},
	journal={{GJMR}}2249-46180975-588810.34257/GJMR,
	address={Cambridge, United States},
	publisher={Global Journals Organisation}1141923
}

@incollection{b0,
	
	
		,
	title={{Increased time-to-pregnancy and first trimester Down's syndrome screening}}
		,
	author={{
			JKRanta
		} and {
			KRaatikainen
		} and {
			JRomppanen
		} and {
			KPulkki
		} and {
			SHeinonen
		}}
		
		
		
		
	
	
		,
	journal={{Hum Reprod}}
		
			25
			2
			
			,
	year={2010}
		
	

}

@book{b1,
	
	
		,
	title={{}}
		,
	author={{
			LJSalomon
		} and {
			GEChalouhi
		} and {
			JPBernard
		} and {
			YVille
		}}
		
		
		
		
	

}

@incollection{b2,
	
	
		,
	title={{Nuchal translucency thickness at 11-14 weeks of gestation: French charts and equations}}
	
	
		,
	booktitle={{Société française pour l'amélioration des pratiques échographiques (SFAPE)}}
				
			,
	year={2009}
			38
			
		
	

}

@incollection{b3,
	
	
		,
	title={{Quality of nuchal translucency measurements in The Netherlands: a quantitative analysis}}
		,
	author={{
			MPKoster
		} and {
			EJWortelboer
		} and {
			MAEngels
		} and {
			PHStoutenbeek
		} and {
			LHElvers
		} and {
			GHVisser
		} and {
			PCSchielen
		}}
		
		
		
		
		
		
	
	
		,
	journal={{Ultrasound Obstet Gynecol}}
		
			34
			2
			
			,
	year={2009}
		
	

}

@incollection{b4,
	
	
		,
	title={{First-trimester fetal nasal bone length in an ethnic Chinese population}}
		,
	author={{
			DSSahota
		} and {
			TYLeung
		} and {
			LWChan
		} and {
			LWLaw
		} and {
			TYFung
		} and {
			OKChan
		} and {
			TKLau
		}}
		
		
		
		
		
		
	
	
		,
	journal={{Ultrasound Obstet Gynecol}}
		
			34
			1
			
			,
	year={2009}
		
	

}

@incollection{b5,
	
	
		,
	title={{First-trimester screening markers are altered in pregnancies conceived after IVF/ICSI}}
		,
	author={{
			ACGjerris
		} and {
			ALoft
		} and {
			APinborg
		} and {
			MChristiansen
		} and {
			ATabor
		}}
		
		
		
		
	
	
		,
	journal={{Ultrasound Obstet Gynecol}}
		
			33
			1
			
			,
	year={2009}
		
	

}

@incollection{b6,
	
	
		,
	title={{Early first-trimester free beta-hCG and PAPP-A serum distributions in monochorionic and dichorionic twins}}
		,
	author={{
			IHLinskens
		} and {
			MDSpreeuwenberg
		} and {
			MABlankenstein
		} and {
			JMVan Vugt
		}}
		
		
		
	
	
		,
	journal={{Prenat Diagn}}
		
			29
			1
			
			,
	year={2009}
		
	

}

@incollection{b7,
	
	
		,
	title={{Nuchal translucency and other firsttrimester sonographic markers of chromosomal abnormalities}}
		,
	author={{
			KHNicolaides
		}}
	
	
		,
	journal={{Am J Obstet Gynecol}}
		
			191
			
			,
	year={2004}
		
	

}

@incollection{b8,
	
	
		,
	title={{UK multicentre project on assessment of risk of trisomy 21 by maternal age and fetal nuchal translucency thickness at 10-14 weeks of gestation}}
		,
	author={{
			RjmSnijders
		} and {
			PNoble
		} and {
			NSebire
		} and {
			ASouka
		} and {
			KHNicolaides
		}}
		
		
		
		
	
	
		,
	journal={{Lancet}}
		
			351
			
			,
	year={1998}
		
	

}

@incollection{b9,
	
	
		,
	title={{Repeatability of measurement of fetal nuchal translucency thickness}}
		,
	author={{
			LJRoberts
		} and {
			SBewley
		} and {
			AMMackinson
		} and {
			CHRodeck
		}}
		
		
		
	
	
		,
	journal={{Ultrasound Obstet Gynecol}}
		
			5
			334337
			,
	year={1995}
		
	

}

@incollection{b10,
	
	
		,
	title={{First trimester fetal nuchal translucency: problems with screening the general population 1}}
		,
	author={{
			LJRoberts
		} and {
			SBewley
		} and {
			AMMackinson
		}}
		
		
	
	
		,
	journal={{Br. J. Obstet. Gynaecol}}
		
			102
			
			,
	year={1995}
		
	

}

@book{b11,
	
	
		,
	title={{First and second trimester antenatal screening for Down's syndrome: the results of the Serum}}
		,
	author={{
			NJWald
		} and {
			CRodeck
		} and {
			AKHackshaw
		} and {
			JWalters
		} and {
			LChitty
		} and {
			Am; Suruss ResearchMackinson
		} and {
			Group
		}}
		
		
		
		
		
		
		
			,
	address={Urine}
		
	

}

@incollection{b12,
	
	
		,
	title={{Predictive value of fetal nuchal translucency in the screening of chromosomal aberrations and Ultrasound Screening Study (SURUSS)}}
	
	
		,
	journal={{Health Technol Assess}}
		
			7
			
			,
	year={2003a}
		
	

}

@book{b13,
	
	
		,
	title={{Interventions for preventing or improving the outcome of delivery at or beyond term}}
		,
	author={{
			PCrosley
		}}
		
	

}

@incollection{b14,
	
	
		,
	title={{}}
	
	
		,
	journal={{Cochrane Database System Review}}
		
			2
			D000170
			,
	year={2000}
		
	

}