Which of the following statement regarding umbilical cord is TRUE?
Umbilical cord at term normally has two aeries and veins. At bih mature umbilical cord is approximately 50-60 cm in length and 12 mm in diameter. Single umbilical aery is seen in women with:DiabetesEpilepsy PreeclampsiaAntepaum hemorrhageOligohydramnios or hydramnios ANDChromosomal abnormalities Ref: Cunningham F.G., Leveno K.J., Bloom S.L., Hauth J.C., Rouse D.J., Spong C.Y. (2010). Chapter 3. Implantation, Embryogenesis, and Placental Development.
Two aeries
Umbilical cord pulsation rate corresponds to maternal pulsation rate
Covered by amnion and chorion
Two veins