Placental polyp is a organized mass of retained bits of placental tissue following delivery, which is hyalinized during their prolonged retention. It is a rare entity, histologically composed of necrotic and hyalinized chorionic villi. These placental masses present within days to weeks following an abortion or delivery of a term placenta. The usual clinical presentations are abnormal uterine b...

The pediatrician who cares for a child with a birth defect or genetic disorder may be in the best position to alert the family to the possibility of a recurrence of the same or similar problems in future offspring. The family may wish to know about and may benefit from methods that convert probability statements about recurrence risks into more precise knowledge about a specific abnormality in ...

Objective: To assess the performance of diverse prenatal diagnostic approaches for nuchal translucency (NT) thickening and to investigate optimal screening or action with a NT 95th percentile-3.50 mm. Methods: A retrospective analysis 2,328 pregnancies ≥ percentile through ultrasound-guided transabdominal chorionic villus sampling (CVS), amniocentesis, cordocentesis obtained clinical samples (c...

objective: pre-natal diagnosis is the most effected way to prevent genetic diseases in a society. the aim of this research was to show the prevention level of the birth of the children with major thalassemia disorder and the demographic condition of the people referring to the shahid dastgheib genetic center in shiraz for the pre natal diagnosis. materials and methods: the present research was ...

We modify RSS to come up with new sampling method, namely, Multistage Median Ranked Set Sampling (MMRSS). The MMRSS was suggested for estimating the population median and to increase the efficiency of the estimator for specific value of the sample size. The MMRSS was compared to the Simple Random Sampling (SRS), Ranked Set Sampling (RSS) and Median Ranked Set Sampling (MRSS) methods. It is foun...

Chromosomal mosaicism is one of the primary interpretative issues in prenatal diagnosis. In this review, the mechanisms underlying feto-placental chromosomal mosaicism are presented. Based on the substantial retrospective diagnostic experience with chorionic villi samples (CVS) of a prenatal diagnosis laboratory the following items are discussed: (i) The frequency of the different types of mosa...