Meanwhile, some doctors began offering chorionic villus sampling later in a pregnancy.

He said it began when women would come in just after the period when chorionic villus sampling normally is used.

Others are offering chorionic villus sampling later than normal, sometimes into the second trimester when amniocentesis was the only choice.

He is famous for his studies about prenatal diagnosis, chorionic villus and the amniotic fluid, and won international awards.

Each cotyledon consists of a main stem of a chorionic villus as well as its branches and subbranches etc.

Oxygen then diffuses from the placenta to the chorionic villus, an alveolus-like structure, where it is then carried to the umbilical vein.

In chorionic villus sampling the cells are taken from hairlike projections, or villi, on the gestational sac that surrounds the fetus early in pregnancy.

The isochromosome can be primarily detected in samples of skin fibroblasts, as well as in chorionic villus and amniotic fluid cell samples.

Pregnancy: Should I Have CVS (Chorionic Villus Sampling)?

It entails sampling of the chorionic villus (placental tissue) and testing it for chromosomal abnormalities, usually with FISH or PCR.

Hofbauer cells (pronounced )are oval eosinophilic histiocytes with granules and vacuoles found in the placenta, which are of mesenchymal origin, in mesoderm of the chorionic villus, particularly numerous in early pregnancy.

After Nancy informs Esteban that she's pregnant, he allows her to live but has bodyguards assigned to her and forces her to undergo a chorionic villus sampling to be sure the baby is both a boy and his.