2022
Changes in prenatal testing during the COVID-19 pandemic
Handley S, Ledyard R, Lundsberg L, Passarella M, Yang N, Son M, McKenney K, Greenspan J, Dysart K, Culhane J, Burris H. Changes in prenatal testing during the COVID-19 pandemic. Frontiers In Pediatrics 2022, 10: 1064039. PMID: 36440341, PMCID: PMC9682111, DOI: 10.3389/fped.2022.1064039.Peer-Reviewed Original ResearchProportion of patientsPregnant patientsWeeks' gestationFirst trimesterRetrospective observational cohort studyEarly COVID-19 pandemic periodCOVID-19 pandemicRoutine prenatal testingObservational cohort studyPrenatal testingElectronic health record dataCoronavirus disease 2019 (COVID-19) pandemicAcademic health systemHealth record dataDisease 2019 pandemicMultivariable adjustmentCohort studyPrimary outcomeGestational agePrenatal careAnatomy surveyClaims dataDiabetes testingPatientsCare delivery
2015
The effect of chorionic villus sampling on the fraction of cell-free fetal DNA in maternal plasma
Samuel AR, Son M, Ananth CV, Wapner RJ. The effect of chorionic villus sampling on the fraction of cell-free fetal DNA in maternal plasma. The Journal Of Maternal-Fetal & Neonatal Medicine 2015, 29: 2654-2657. PMID: 26482407, DOI: 10.3109/14767058.2015.1095885.Peer-Reviewed Original ResearchConceptsChorionic villus samplingCell-free fetal DNAMaternal plasmaFetal DNABaseline fractionWeeks' gestationCVS groupFirst trimesterPregnant womenCVS patientsFree fetal DNAGenetic testingChorionic villiMean fractionComparison groupVillus samplingWomenPatientsCffDNADaysUltrasoundGroupSubjectsTrimesterGestation