A nurse is teaching the parent of a newborn about car seat safety. Which of the following statements should the nurse make?

Choice A rationale:

The clinical finding of 0 station does not provide information about the fetal head's position in the left occiput posterior position. Station refers to the level of the presenting part in relation to the ischial spines, not the position.

Choice B rationale:

The clinical finding of 0 station does not indicate that the largest fetal diameter has passed through the pelvic outlet. The station only tells us the level of the presenting part and does not provide information about the diameter passing through the pelvic outlet.

Choice C rationale:

The clinical finding of 0 station does not directly involve the palpability of the posterior fontanel. Station is determined based on the level of the presenting part in the birth canal.

Choice D rationale:

This is the correct interpretation of the clinical finding. 0 station means that the presenting part (usually the baby's head) is at the level of the ischial spines, which serves as a reference point during labor. As labor progresses and the baby moves further down the birth canal, the station becomes more negative (e.g., -1, -2) until delivery occurs.

Choice A rationale:

While there is a risk of infection with any internal examination, it is not the primary reason for avoiding internal examinations in a client with placenta previa. The main concern is avoiding trauma to the placenta, which could result in significant bleeding.

Choice B rationale:

Although internal examinations may potentially stimulate uterine contractions, leading to preterm labor in some cases, this is not the primary reason for avoiding such examinations in clients with placenta previa. The primary concern remains the risk of bleeding due to placental disruption.

Choice C rationale:

The correct explanation for the nurse to provide is that an internal examination could result in profound bleeding. Placenta previa occurs when the placenta partially or completely covers the cervix, and any manipulation of the cervix or uterus through an internal examination could disrupt the placenta and cause severe bleeding, endangering both the mother and the baby.

Choice D rationale:

While there is a risk of rupturing the membranes during an internal examination, this is not the primary reason for avoiding such examinations in clients with placenta previa. The primary concern remains the risk of bleeding due to placental disruption.