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An important risk factor for placenta accreta is placenta previa in the presence of a uterine scar. Placenta previa is an independent risk factor for placenta accreta. Additional reported risk factors for placenta accreta include maternal age and multiparity, other prior uterine surgery, prior uterine curettage, uterine irradiation, endometrial ablation, Asherman syndrome, uterine leiomyomata ...
Invasion of the trophoblast too deeply may cause conditions such as placenta accreta, placenta increta, or placenta percreta. Gestational trophoblastic disease is a pregnancy-associated concept, forming from the villous and extravillous trophoblast cells in the placenta. [8]
Antepartum haemorrhage (APH), prepartum haemorrhage. Specialty. Obstetrics. Antepartum bleeding, also known as antepartum haemorrhage (APH) or prepartum hemorrhage, is genital bleeding during pregnancy after the 28th week of pregnancy up to delivery. [1][2] It can be associated with reduced fetal birth weight. [3]
0.5% of pregnancies [ 5 ] Placenta praevia is when the placenta attaches inside the uterus but in a position near or over the cervical opening. [ 1 ] Symptoms include vaginal bleeding in the second half of pregnancy. [ 1 ] The bleeding is bright red and tends not to be associated with pain. [ 1 ]
Velamentous cord insertion is a complication of pregnancy where the umbilical cord is inserted in the fetal membranes. It is a major cause of antepartum hemorrhage that leads to loss of fetal blood and associated with high perinatal mortality. In normal pregnancies, the umbilical cord inserts into the middle of the placental mass and is ...
Specialty. Obstetrics. Vasa praevia is a condition in which fetal blood vessels cross or run near the internal opening of the uterus. These vessels are at risk of rupture when the supporting membranes rupture, as they are unsupported by the umbilical cord or placental tissue. Risk factors include low-lying placenta, in vitro fertilization.
The prefix accreta describes a placenta that is firmly anchored to the placental site but not invading the myometrium. This is the commonest situation. You mention that accreta is invasion of the myometrium. That is simply incorrect. Increta describes partial thickness myometrial involvement and percreta penetration through the full thickness ...
The part of the Fallopian tube that is located in the uterine wall and connects the remainder of the tube to the endometrial cavity is called its "interstitial" part, hence the term "interstitial pregnancy"; it has a length of 1–2 cm and a width of 0.7 cm. [1] Its borders are the opening (ostium) of the tube to the endometrial cavity within the uterus and, laterally, the visible narrow ...