Placenta accreta occurs when the deciduas basal is that separates the placental villi from the myometrium is missing. Classification is divided in 3 grades based on histopathologic analysis consisting on: placenta accreta, increate and percent. Placenta accreta occurs when the chorionic villi of the placenta enters in contact with the myometrium. In placenta increta, the chorionic villi invade ...

objective(s):to determine the fetal discernment in suspected cases of sex linked recessive disease in the first trimester of pregnancy. materials and methods: after collection of 100 chorionic villi samples, the dnas were extracted and baby gender was determined. meanwhile, after increasing the sensitivity, the system was able to detect the sex of each cell which was obtained by biopsy. results...

The development of prenatal tests to detect structural and chromosomal abnormalities in single and multiple foetuses started some 30 years ago. The use of amniocentesis and analysis of amniotic fluid allowed obstetricians to detect and assess the severity of rhesus disease in the unborn child and decide on the need for early delivery. Today, numerous prenatal testing techniques, including mater...

OBJECTIVE To investigate the morphology of chorionic villi using light and electron microscopy, especially the expression of alpha-fetoprotein (AFP) in trophoblastic cells and the process of maturation and margination vasculogenesis proper using CD34 immunohistochemistry in tissues from the first trimester of pregnancy loss due to anembryonic pregnancy in comparison with embryonic pregnancy. ...

Invasive prenatal diagnosis techniques include chorionic villus sampling (CVS), amniocentesis, cordocentesis or percutaneous umbilical blood sampling (PUBS), fetal tissue sampling, as well as embryoscopy and fetoscopy (Table 2). Some diagnostic results may be obtained by more than one technique: for example, fetal karyotype can be obtained from cells from amniocentesis, chorionic villus samplin...

Chorionic villus sampling (CVS) is a test used for prenatal diagnosis [5]. Safe to perform at an earlier stage in pregnancy [6] than amniocentesis, CVS is another invasive prenatal diagnostic test that can be performed as early as ten weeks after the woman?s last menstrual cycle. While this test does carry some risks, it is generally very effective at predicting heritable diseases during or soo...

Chorionic villus sampling (CVS) is a test used for prenatal diagnosis [5]. Safe to perform at an earlier stage in pregnancy [6] than amniocentesis, CVS is another invasive prenatal diagnostic test that can be performed as early as ten weeks after the woman?s last menstrual cycle. While this test does carry some risks, it is generally very effective at predicting heritable diseases during or soo...

Chorionic villus sampling (CVS) is a test used for prenatal diagnosis [5]. Safe to perform at an earlier stage in pregnancy [6] than amniocentesis, CVS is another invasive prenatal diagnostic test that can be performed as early as ten weeks after the woman?s last menstrual cycle. While this test does carry some risks, it is generally very effective at predicting heritable diseases during or soo...

Background: Aim: To review the usefulness of chorionic villus sampling for prenatal diagnosis of thalassaemia with focus on risk of miscarriage and stillbirth in Indian women and thus provide local data for counseling the prospective parents in similar situation. Methods: This retrospective study reviewed the pregnancy outcome of 362 patients with thalassaemia who underwent transabdominal chori...

Six cases of hydatidiform mole associated with normal chorionic villi and a normal embryo/fetus (in five cases) were investigated with interphase cytogenetic and DNA cytometric analyses for diagnostic purposes. DNA probes specific for the pericentromeric regions of chromosomes 1 and X and for the long arm of chromosome Y were used. In four cases a dizygotic twin pregnancy could be proven. In th...