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.