Search results
Results from the WOW.Com Content Network
A documented case of puncturing a single umbilical artery during PUBS resulted in a decrease in the heart rate of the fetus with irregular improvement; [30] however, it is difficult to conclude that these symptoms were solely the result of the punctured umbilical artery because these fetuses often have preexisting defects and abnormalities ...
Occasionally, during pregnancy, there is a single umbilical artery (SUA) present in the umbilical cord, as opposed to the usual two. [1] This is sometimes also called a two-vessel umbilical cord, or two-vessel cord. Approximately, this affects between 1 in 100 and 1 in 500 pregnancies, making it the most common umbilical abnormality.
Anatomy scan image of a human placenta and umbilical cord (colour Doppler rendering) showing central placement of the cord in the placenta and three vessels in the cord, which is the normal physiology. A standard anatomy scan typically includes: [4] Fetal number, including number of amnionic sacs and chorionic sacs for multiple gestations
The umbilical artery regresses after birth. A portion obliterates to become the medial umbilical ligament (not to be confused with the median umbilical ligament, a different structure that represents the remnant of the embryonic urachus). A portion remains open as a branch of the anterior division of the internal iliac artery.
Uterine artery can arise from the first branch of inferior gluteal artery. It can also arise as the 2nd or 3rd branch from the inferior gluteal artery. On the other hand, uterine artery can be first branch from internal iliac artery before the superior and inferior gluteal arteries branching off from the main arterial trunk.
Histopathology of placenta with increased syncytial knotting of chorionic villi, with two knots pointed out. The following characteristics of placentas have been said to be associated with placental insufficiency, however all of them occur in normal healthy placentas and full term healthy births, so none of them can be used to accurately diagnose placental insufficiency: [citation needed]
Normal: 5 or fewer contractions in 10 minutes, averaged over a 30-minute window Uterine tachysystole : more than 5 contractions in 10 minutes, averaged over a 30-minute window Baseline fetal heart rate
The arcuate vessels of the uterus are a component of the blood supply of the uterus.They are arteries and veins that branch from the uterine arteries and veins, respectively, with additional anastomoses from the ovarian arteries and veins, [2] and penetrate and assume a circumferential course in the myometrium.