Final answer:
The nurse can deduce that the client is in preterm labor.
Step-by-step explanation:
Preterm labor refers to the onset of regular uterine contractions leading to cervical changes before the 37th week of pregnancy. A full-term pregnancy typically lasts about 40 weeks. Preterm labor is a serious concern as it can lead to preterm birth, which may pose health risks for the baby.
From the information provided, the nurse can deduce that the client is in preterm labor. Betamethasone and magnesium sulfate are commonly used medications in preterm labor to help mature the baby's lungs and prevent complications.