Publications by authors named "Maria Victoria Lapresa-Alcalde"

Objectives: Universal screening for trisomy using cell-free DNA (cfDNA) has proven to be more effective than combined test, but it is not cost efficient currently. Contingent cfDNA screening on the results of the first-trimester combined test can improve the detection rate of the combined test and reduce the number of invasive tests at a lower cost than universal screening. In 2018, a contingent screening program was implemented in the community of Castilla y Leon (Spain).

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An abnormally invasive placenta (AIP) is a placenta that cannot be removed spontaneously or manually without causing severe bleeding. It is a dangerous condition associated with a high rate of maternal and perinatal morbidity and mortality due to the high rate of massive bleeding and visceral injuries. The standardized ultrasound diagnostic criteria have helped improve its early diagnosis, which is essential to plan coordinated actions to reduce associated morbimortality.

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The ductus venosus (DV) is a shunt that allows the direct flow of well-oxygenated blood from the umbilical vein (UV) to the coronary and cerebral circulation through the foramen ovale. Its agenesis has been associated with chromosomal abnormalities and rare genetic syndromes, structural defects, intrauterine growth restriction (IUGR) and even antepartum fetal demise. Pallister-Killian Syndrome (PKS) is a rare sporadic disorder with specific tissue mosaic distribution of an extra 12p isochromosome (i(12p)).

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Non-obstetric vulvar hematomas are rare and few cases have been reported in the literature. There are no clinical guidelines for their management. In most cases they can be treated conservatively but in some cases surgical intervention will be necessary.

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