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Histopathology of acute subchorionic intervillositis, with neutrophils in Langhan’s layer of fibrinoid (by the fetal surface, at the base of a chorionic villus, seen at top right). Placentitis is an inflammation of the placenta. The main forms of placentitis are: Villitis, inflammation of chorionic villi.
There is no target treatment available for placental disease. Associative prevention mechanisms can be a method of minimising the risk of developing the disease, within early stages of pregnancy. Placental syndromes include pregnancy loss, fetal growth restriction, preeclampsia, preterm delivery, premature rupture of membranes, placental ...
VUE occurs in the term placenta, in the late third trimester of pregnancy. Infectious villitis occurs at the early-third to late-second trimester of the pregnancy. Infectious villitis involves a greater part of the placenta (umbilical cord, chorionic plate, membranes) compared to VUE (terminal and stem villi). Histologically VUE is ...
Circumvallate placenta is a rare condition affecting about 1-2% of pregnancies, in which the amnion and chorion fetal membranes essentially "double back" on the fetal side around the edges of the placenta. [1]
Signs and symptoms of infection should be closely monitored, and, if not already done, a group B streptococcus (GBS) culture should be collected. [18] At any age, if the fetal well-being appears to be compromised, or if intrauterine infection is suspected, the baby should be delivered quickly by induction of labour. [11] [14]
When symptoms develop, they tend to develop suddenly. Common symptoms include: sudden-onset abdominal pain [5] [8] contractions that seem continuous and do not stop [5] vaginal bleeding [5] [8] enlarged uterus (disproportionate to the gestational age of the fetus) [5] decreased fetal movement [5] decreased fetal heart rate. [5]
MPFD is caused by deposition fibrous tissue around the chorionic villi of the placenta. [1] [3] The placenta often shows lesions upon histology and autopsy. [8] The villi become trapped, causing avascular necrosis. [1] This causes reduced substance exchange, and movement of the placenta. [1]
For many infections, the baby is more at risk at particular stages of pregnancy. Problems related to perinatal infection are not always directly noticeable. [citation needed] Apart from infecting the fetus, transplacental pathogens may cause placentitis (inflammation of the placenta) and/or chorioamnionitis (inflammation of the fetal membranes).