The midwife performs a vaginal exam and determines that the fetal head is at a -2 station. The nurse knows that birth:
1. Is imminent.
2. Is likely to occur in 1–2 hours.
3. Will occur later in the shift.
4. Is difficult to predict.
4
Rationale 1: Birth is not imminent at this time.
Rationale 2: Birth will not likely occur in 1–2 hours.
Rationale 3: Birth cannot really be predicted at this time.
Rationale 4: A -2 station means that the fetus is 2 cm above the ischial spines. With the infant's head that high in the pelvis, it is difficult to predict when birth will occur.
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