Preterm Labor and Its Causes

What is the definition of preterm labor?

• Delivery exactly at 37 weeks of pregnancy

• Delivery before 37 completed weeks of pregnancy

• Delivery after 41 weeks of pregnancy

• Delivery between 37 and 41 weeks of pregnancy

What is the leading cause of neonatal mortality?

• Sudden infant death syndrome

• Congenital anomalies

• Preterm birth

• Infections

Which of the following is NOT a major cause of preterm labor?

• Inflammation

• Uterine distension

• High blood pressure

• Stress

How does stress contribute to preterm labor?

• By increasing blood pressure

• By activating the HPA axis and releasing stress hormones

• By causing uterine contractions directly

• By reducing fetal movement

What is the role of a transvaginal ultrasound in diagnosing preterm labor?

• To check for maternal infections

• To measure fetal heart rate

• To assess cervical length and predict preterm labor

• To determine the baby's gender

What distinguishes true labor contractions from Braxton Hicks contractions?

• Braxton Hicks contractions cause cervical dilation

• True labor contractions are irregular and less intense

• True labor contractions are regular, frequent, and intense

• Braxton Hicks contractions are more frequent and intense

What is the first step in managing preterm labor in women less than 34 weeks pregnant?

• Administering a dose of steroids

• Providing bed rest

• Performing a cesarean section

• Administering antibiotics

What is the purpose of administering magnesium sulfate in preterm labor management?

• To induce labor

• To protect the fetal brain and prevent cerebral palsy

• To prevent maternal infections

• To increase fetal weight

Which of the following is a modifiable risk factor for preterm labor?

• Cigarette smoking

• Multiple gestation

• Cervical insufficiency

• History of preterm labor

How can progesterone supplements help in preventing preterm labor?

• By enhancing fetal growth

• By preventing infections

• By increasing uterine contractions

• By reducing the risk of preterm labor in high-risk women