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2018 ; 18
(1
): 174
Nephropedia Template TP
gab.com Text
Twit Text FOAVip
Twit Text #
English Wikipedia
Why do patients decline amniocentesis? Analysis of factors influencing the
decision to refuse invasive prenatal testing
#MMPMID29769050
Sadlecki P
; Grabiec M
; Walentowicz P
; Walentowicz-Sadlecka M
BMC Pregnancy Childbirth
2018[May]; 18
(1
): 174
PMID29769050
show ga
BACKGROUND: In recent years, determination of personalized risk for fetal
chromosomal anomalies emerged as an important component of prenatal genetic
counseling. Women in whom fetal risk for chromosomal aberrations is elevated are
offered further testing. The aim of this study was to identify factors that may
influence the decision to refuse invasive prenatal testing aimed at determination
of fetal karyotype in a group of patients at increased risk of trisomy 21.
METHODS: The analysis included 177 patients with singleton pregnancy, whose
personalized risk score for trisomy 21 calculated on the basis of the combined
test exceeded 1:300. Diagnostic amniocentesis was performed in 125 patients from
this subset, since the remaining 52 women declined invasive prenatal testing. The
following factors were analyzed as potential determinants of the decision to
refuse amniocentesis: maternal age (?35 years), gravidity, number of miscarriages
in previous pregnancies, educational status, marital status, indications to
prenatal testing, gestational age at the time of prenatal testing, personalized
risk score for fetal chromosomal aberrations and nuchal translucency (NT) value.
RESULTS: A statistically significant relationship was found between the decision
to refuse amniocentesis and the number of previous miscarriages, maternal
educational level, NT values and personalized risk score for fetal chromosomal
aberrations. Multivariate logistic regression analysis identified primary
maternal education and history of more than two miscarriages as independent
significant predictors of declining amniocentesis. Women with personalized risk
scores for trisomy 21 greater than 1:100 opted out of invasive prenatal diagnosis
significantly less often than the remaining participants. CONCLUSION: In
conclusion, the key role of high quality and accuracy of non-invasive diagnostic
tests conducted in the first trimester should be emphasized as personalized risk
score for fetal chromosomal aberrations determined based on their results is
pivotal for further management of pregnancy. Equally important is to provide the
patients with an accurate and comprehensible information about potential benefits
and risks of invasive testing.