Maternal Plasma Cell-Free Fetal and Maternal DNA at 11-13 Weeks' Gestation: Relation to Fetal and Maternal Characteristics and Pregnancy Outcomes

Objective: To examine the possible relationship between maternal and fetal characteristics and pregnancy outcomes on fetal and maternal cell-free (cf) DNA in maternal plasma at 11-13 weeks' gestation. Methods: cfDNA was extracted from maternal plasma of 1,949 singleton pregnancies and chromosom...

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Veröffentlicht in:Fetal diagnosis and therapy 2013-05, Vol.33 (4), p.215-223
Hauptverfasser: Poon, L.C.Y., Musci, T., Song, K., Syngelaki, A., Nicolaides, K.H.
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container_end_page 223
container_issue 4
container_start_page 215
container_title Fetal diagnosis and therapy
container_volume 33
creator Poon, L.C.Y.
Musci, T.
Song, K.
Syngelaki, A.
Nicolaides, K.H.
description Objective: To examine the possible relationship between maternal and fetal characteristics and pregnancy outcomes on fetal and maternal cell-free (cf) DNA in maternal plasma at 11-13 weeks' gestation. Methods: cfDNA was extracted from maternal plasma of 1,949 singleton pregnancies and chromosome-selective sequencing was used to determine the proportion of cfDNA and total cfDNA counts which was of fetal and maternal origin. Multivariate regression analysis was used to determine whether specific maternal and fetal characteristics and pregnancy complications, such as preeclampsia (PE), early spontaneous preterm birth (SPB) and delivery of small for gestational age (SGA) neonates, were significant predictors of fetal and maternal cfDNA in maternal plasma. Results: The fetal and maternal cfDNA plasma concentration increased with serum pregnancy-associated plasma protein-A and free β-human chorionic gonadotropin level, was higher in women of Afro-Caribbean and East-Asian racial origin than in Caucasians, and lower in smokers, but it was not significantly altered in pregnancies complicated by PE, SPB or SGA. The fetal cfDNA level was inversely related to maternal weight and uterine artery pulsatility index, and maternal cfDNA increased with maternal weight. Conclusions: The fetal and maternal cfDNA level in maternal plasma is affected by maternal and fetal characteristics, but it is not altered in pregnancy complications.
doi_str_mv 10.1159/000346806
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Methods: cfDNA was extracted from maternal plasma of 1,949 singleton pregnancies and chromosome-selective sequencing was used to determine the proportion of cfDNA and total cfDNA counts which was of fetal and maternal origin. Multivariate regression analysis was used to determine whether specific maternal and fetal characteristics and pregnancy complications, such as preeclampsia (PE), early spontaneous preterm birth (SPB) and delivery of small for gestational age (SGA) neonates, were significant predictors of fetal and maternal cfDNA in maternal plasma. Results: The fetal and maternal cfDNA plasma concentration increased with serum pregnancy-associated plasma protein-A and free β-human chorionic gonadotropin level, was higher in women of Afro-Caribbean and East-Asian racial origin than in Caucasians, and lower in smokers, but it was not significantly altered in pregnancies complicated by PE, SPB or SGA. The fetal cfDNA level was inversely related to maternal weight and uterine artery pulsatility index, and maternal cfDNA increased with maternal weight. Conclusions: The fetal and maternal cfDNA level in maternal plasma is affected by maternal and fetal characteristics, but it is not altered in pregnancy complications.</description><identifier>ISSN: 1015-3837</identifier><identifier>EISSN: 1421-9964</identifier><identifier>DOI: 10.1159/000346806</identifier><identifier>PMID: 23466432</identifier><language>eng</language><publisher>Basel, Switzerland: Karger</publisher><subject>Adult ; Biological and medical sciences ; Biomarkers - blood ; Cohort Studies ; Diseases of mother, fetus and pregnancy ; DNA - blood ; Early Diagnosis ; Female ; Fetal Growth Retardation - blood ; Fetal Growth Retardation - diagnosis ; Fetal Growth Retardation - physiopathology ; Gynecology. Andrology. Obstetrics ; Humans ; Medical sciences ; Original Paper ; Placentation ; Plasma - metabolism ; Pre-Eclampsia - blood ; Pre-Eclampsia - diagnosis ; Pre-Eclampsia - physiopathology ; Pregnancy ; Pregnancy Complications - blood ; Pregnancy Complications - diagnosis ; Pregnancy Complications - physiopathology ; Pregnancy Trimester, First ; Pregnancy. Fetus. Placenta ; Premature Birth - blood ; Premature Birth - diagnosis ; Premature Birth - physiopathology ; Prenatal Diagnosis ; Prospective Studies ; Pulsatile Flow ; Uterine Artery - physiology ; Uterine Artery - physiopathology ; Weight Loss</subject><ispartof>Fetal diagnosis and therapy, 2013-05, Vol.33 (4), p.215-223</ispartof><rights>2013 S. Karger AG, Basel</rights><rights>2014 INIST-CNRS</rights><rights>Copyright © 2013 S. Karger AG, Basel.</rights><rights>Copyright (c) 2013 S. 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Methods: cfDNA was extracted from maternal plasma of 1,949 singleton pregnancies and chromosome-selective sequencing was used to determine the proportion of cfDNA and total cfDNA counts which was of fetal and maternal origin. Multivariate regression analysis was used to determine whether specific maternal and fetal characteristics and pregnancy complications, such as preeclampsia (PE), early spontaneous preterm birth (SPB) and delivery of small for gestational age (SGA) neonates, were significant predictors of fetal and maternal cfDNA in maternal plasma. Results: The fetal and maternal cfDNA plasma concentration increased with serum pregnancy-associated plasma protein-A and free β-human chorionic gonadotropin level, was higher in women of Afro-Caribbean and East-Asian racial origin than in Caucasians, and lower in smokers, but it was not significantly altered in pregnancies complicated by PE, SPB or SGA. 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Methods: cfDNA was extracted from maternal plasma of 1,949 singleton pregnancies and chromosome-selective sequencing was used to determine the proportion of cfDNA and total cfDNA counts which was of fetal and maternal origin. Multivariate regression analysis was used to determine whether specific maternal and fetal characteristics and pregnancy complications, such as preeclampsia (PE), early spontaneous preterm birth (SPB) and delivery of small for gestational age (SGA) neonates, were significant predictors of fetal and maternal cfDNA in maternal plasma. Results: The fetal and maternal cfDNA plasma concentration increased with serum pregnancy-associated plasma protein-A and free β-human chorionic gonadotropin level, was higher in women of Afro-Caribbean and East-Asian racial origin than in Caucasians, and lower in smokers, but it was not significantly altered in pregnancies complicated by PE, SPB or SGA. The fetal cfDNA level was inversely related to maternal weight and uterine artery pulsatility index, and maternal cfDNA increased with maternal weight. Conclusions: The fetal and maternal cfDNA level in maternal plasma is affected by maternal and fetal characteristics, but it is not altered in pregnancy complications.</abstract><cop>Basel, Switzerland</cop><pub>Karger</pub><pmid>23466432</pmid><doi>10.1159/000346806</doi><tpages>9</tpages><oa>free_for_read</oa></addata></record>
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source Karger Journal Archive Collection; Karger Journals; MEDLINE; Alma/SFX Local Collection
subjects Adult
Biological and medical sciences
Biomarkers - blood
Cohort Studies
Diseases of mother, fetus and pregnancy
DNA - blood
Early Diagnosis
Female
Fetal Growth Retardation - blood
Fetal Growth Retardation - diagnosis
Fetal Growth Retardation - physiopathology
Gynecology. Andrology. Obstetrics
Humans
Medical sciences
Original Paper
Placentation
Plasma - metabolism
Pre-Eclampsia - blood
Pre-Eclampsia - diagnosis
Pre-Eclampsia - physiopathology
Pregnancy
Pregnancy Complications - blood
Pregnancy Complications - diagnosis
Pregnancy Complications - physiopathology
Pregnancy Trimester, First
Pregnancy. Fetus. Placenta
Premature Birth - blood
Premature Birth - diagnosis
Premature Birth - physiopathology
Prenatal Diagnosis
Prospective Studies
Pulsatile Flow
Uterine Artery - physiology
Uterine Artery - physiopathology
Weight Loss
title Maternal Plasma Cell-Free Fetal and Maternal DNA at 11-13 Weeks' Gestation: Relation to Fetal and Maternal Characteristics and Pregnancy Outcomes
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