The arcuate uterus may be a sort of a uterine anomaly or variation where the cavity displays a concave contour towards the fundus. Normally the cavity is straight or convex towards the fundus on anterior-posterior imaging, but within the arcuate uterus the myometrium of the fundus dips into the cavity and may form a small siltation. The distinction between an arcuate uterus and a septate uterus isn't standardized.
Signs and symptoms
The condition might not be known to the affected individual and not end in any reproductive problems; thus normal pregnancies occur.
Indeed, there's no consensus on the connection of the arcuate uterus and recurrent pregnancy loss. Accordingly, the condition may be a variation or a pathology citation needed.
One view maintains that the condition is related to a better risk for miscarriage, premature birth, and malpresentation. Thus a study that evaluated women with uterine bleeding by hysteroscopy found that 6.5% of subjects displayed the arcuate uterus and had evidence of reproductive impairments. A study based on hysterosalpingraphic detected arcuate lesions documented increased fetal loss and obstetrical complications as a risk for affected women. Woelfer found that the miscarriage risk is more pronounced within the second trimester. In contrast, a study utilizing 3-D ultrasonography to document the prevalence of the arcuate uterus during a gynecological population found no evidence of increased risk of reproductive loss; in this study 3.1% of girls had an arcuate uterus making it the foremost common uterine anomaly; this prevalence was similar than in women undergoing sterilization and less than in women with recurrent pregnancy loss.
The uterus is made during embryogenesis by the fusion of the 2 Müllerian ducts. During this fusion a resorption process eliminates the partition between the 2 ducts to make one cavity. This process begins caudally and advances cranially, thus an arcuate uterus represents a within the end incomplete absorption process.
A transvaginal ultrasound can reveal the condition.
Helpful techniques to research the uterine structure are transvaginal ultrasonography and sonohysterography, hysterosalpingography, MRI, and hysteroscopy. More recently 3-D ultrasonography has been advocated as a superb non-invasive method to delineate the condition.
Many patients with an arcuate uterus won't experience any reproductive problems and don't require any surgery. In patients with recurrent pregnancy loss thought to be caused by an arcuate uterus hysteroscopic resection are often performed
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