Publications by authors named "Rosalinde J Snijders"

Introduction: Ongoing developments in prenatal anomaly screening necessitate continuous updating of counsellors' knowledge. We explored the effect of a refresher counselling course on participants' knowledge of prenatal screening.

Methods: We investigated the association between knowledge and counsellors' working experience.

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Introduction: Mid-trimester uterine artery resistance measured with Doppler sonography is predictive for iatrogenic preterm birth. In view of the emerging association between hypertensive disease in pregnancy and spontaneous preterm birth, we hypothesized that uterine artery resistance could also predict spontaneous preterm birth.

Material And Methods: We performed a cohort study of women with singleton pregnancies.

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Objective: To describe the incidence and the prognostic value of foetal ventriculomegaly identified between 18-23 weeks of gestational age in the northeastern part of the Netherlands during the 2002-2010 period.

Design: Retrospective cohort study.

Method: From the database of the University Medical Centre Groningen in the Netherlands, we selected all cases of singleton pregnancies in which ventriculomegaly was diagnosed at 18-23 weeks of gestation.

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Objective: The aim of this study was to evaluate which of the following factors affect the uptake of the combined test (CT) in The Netherlands: women's socio-demographic background, attitude towards Down syndrome, attitude towards termination of pregnancy, counseling process, reimbursement policy, and knowledge on the aim of the CT.

Methods: Cross-sectional survey in the Northwest (NW) and the Northeast (NE) region of The Netherlands.

Results: Analyses were based on 820 questionnaires (73% response rate).

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Objectives: To determine fetal growth in low risk pregnancies at the beginning of the third trimester and to assess the relative importance of fetal gender and maternal parity.

Setting: Dutch primary care midwifery practice.

Study Design: Retrospective cohort study on 3641 singleton pregnancies seen at a primary care midwifery center in the Netherlands.

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Objective: To evaluate the performance and use of second-trimester multiple-marker maternal serum screening for trisomy 21 by women who had previously undergone first-trimester combined screening (nuchal translucency, pregnancy-associated plasma protein A, and free beta-hCG), with disclosure of risk estimates.

Methods: In a multicenter, first-trimester screening study sponsored by the National Institute of Child Health and Human Development, multiple-marker maternal serum screening with alpha-fetoprotein, unconjugated estriol, and total hCG was performed in 4,145 (7 with trisomy 21) of 7,392 (9 with trisomy 21) women who were first-trimester screen-negative and 180 (7 with trisomy 21) of 813 (52 with trisomy 21) who were first-trimester screen-positive. Second-trimester risks were calculated using multiples of the median and a standardized risk algorithm with a cutoff risk of 1:270.

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