A nurse is preparing to perform Leopold maneuvers for a client. Identify the sequence the nurse should follow. (Move the steps, placing them in the order of performance. Use all the steps.)

A. Decreased vaginal discharge is not typically associated with the onset of labor. In fact, an increase in vaginal discharge may be observed as the cervix begins to soften and efface.

B. Weight gain of 0.5 to 1.5 kg is not a specific sign that precedes labor. Weight gain during late pregnancy is more related to fluid retention, and it does not necessarily indicate imminent labor.

C. Urinary retention is not a common sign that precedes labor. However, increased pressure on the bladder from the descending fetus may lead to more frequent urination rather than retention.

D. A surge of energy is known as the "nesting instinct" and is a common sign that precedes labor. Some women experience a burst of energy and motivation to prepare for the upcoming birth.

The correct answer is A. Two arteries and one vein.

A. Two arteries and one vein is the typical composition of the umbilical cord vessels. The umbilical arteries carry deoxygenated blood and waste products away from the fetus, while the umbilical vein carries oxygenated blood and nutrients to the fetus.

B. Two veins and one artery is not the usual configuration of the umbilical cord vessels. The presence of two veins is atypical.

C. One artery and one vein is an abnormal finding and may be associated with certain congenital anomalies or fetal abnormalities. This configuration is not the norm.

D. Two arteries and two veins is not a standard or physiological composition of the umbilical cord. The typical configuration is two arteries and one vein.