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A niche, also known as a Cesarean Scar Defect or an Isthmocele, is a defect in the wall of the uterus after a cesarean section. [2] You can imagine it as if the wound of the uterus is being closed after a cesarean section, but it's receding a little bit at the inside of the uterus.
This is a shortened version of the eleventh chapter of the ICD-9: Complications of Pregnancy, Childbirth, and the Puerperium. It covers ICD codes 630 to 679. The full chapter can be found on pages 355 to 378 of Volume 1, which contains all (sub)categories of the ICD-9. Volume 2 is an alphabetical index of Volume 1.
The mechanism of how scar ectopic pregnancy still remains unknown. However, the possibility that defects may form to the scarring from previous procedures/traumas such as caesarean section, dilation, hysterotomy, abnormal placentation can cause scar ectopic pregnancy. [4]
Asherman's syndrome (AS) is an acquired uterine condition that occurs when scar tissue forms inside the uterus and/or the cervix. [1] It is characterized by variable scarring inside the uterine cavity, where in many cases the front and back walls of the uterus stick to one another.
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 ...
An old cesarean scar may undergo dehiscence; with further labor the woman may experience abdominal pain and vaginal bleeding, though these signs are difficult to distinguish from normal labor. Often a deterioration of the fetal heart rate is a leading sign, but the cardinal sign of uterine rupture is loss of fetal station on manual vaginal exam.
Uterus didelphys seen on ultrasonography. Besides a physical examination, the physician will need imaging techniques to determine the character of the malformation: gynecologic ultrasonography, pelvic MRI, or hysterosalpingography.
Transvaginal ultrasonography – Ultrasound is performed through the vagina; Transabdominal ultrasonography – Ultrasound is performed across the abdominal wall or through the abdominal cavity; In normal state, each body tissue type, such as liver, spleen or kidney, has a unique echogenicity. Fortunately, gestational sac, yolk sac and embryo ...