Publications by authors named "Liesbeth van Leeuwen"

Article Synopsis
  • A study in the Netherlands evaluated the effectiveness of first-trimester anomaly scans to detect fetal structural defects in pregnant women as part of a nationwide prenatal screening program from November 2021 to November 2022.
  • The study found that 74.9% of eligible women opted for the scan, and among those, 1.0% were flagged for potential anomalies while 54.9% of those cases were confirmed with abnormal findings in follow-up scans.
  • The results highlighted the types of anomalies identified, including 332 structural and 117 genetic anomalies, indicating the scan's usefulness for early decision-making regarding reproductive options.
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Article Synopsis
  • Both dolutegravir and efavirenz are effective treatments for preventing HIV transmission during pregnancy but may cause neuropsychiatric symptoms, which need further investigation in this population.
  • A secondary analysis of the DolPHIN2 study assessed depression, anxiety, and sleep quality in 268 women who received either treatment late in pregnancy, showing notable rates of depression but no differences between the drug regimens.
  • Findings indicate high initial depression scores that decreased over time, emphasizing the importance of psychological support for women diagnosed with HIV during pregnancy.
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Objective: The far majority of women with a placenta previa in the second trimester will no longer have a placenta that overlies the internal os in the third trimester. Women with a placenta previa in the third trimester are at risk for complication such as preterm birth and blood loss. Four counselling purposes we aim to identify which women with a second trimester placenta previa have a low-risk and a high-risk for persistence of the placenta previa.

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Low-positioned placentas which are located in the lower uterine segment (LUS), either a low-lying placenta or a placenta previa, are associated with increased obstetric risks. However, most second trimester low-positioned placentas resolve during pregnancy and have a higher position in the third trimester, without posing any risks. We performed a systematic review and meta-analysis to evaluate the proportion of second trimester low-positioned placentas that have a position towards the fundus in the third trimester.

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Increased morbidity and fetal growth restriction are reported in uninfected children born to human immunodeficiency virus type 1 (HIV-1)-infected women treated with antiretroviral (ARV) therapy. Viruses and/or pharmacological interventions such as ARVs can induce metabolic stress, skewing the cell's immune response and restricting (cell) growth. Novel metabolomic techniques provided the opportunity to investigate the impact of fetal HIV-1 and combination ARV therapy (cART) exposure on the infants' immune metabolome.

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Objective: To evaluate the potential value of quantitative fluorescent polymerase chain reaction (QF-PCR) in the detection of chromosome abnormalities in ectopic pregnancies.

Methods: Seventy chorionic villi samples of ectopic pregnancies were studied by QF-PCR. Primers for chromosomes 16, 21, X and Y in chorionic villi were evaluated.

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