OnlineMedEd: Obstetrics - "Abnormal Labor"

Question 1

How is arrest of dilation in stage I active phase diagnosed?

Answer 1

Either no change in dilation in 4 hours or taking longer than 5 hours

Question 2

How does amniotomy induce labor?

Answer 2

Breaking the amniotic sac removes the fluid cushion and causes the baby’s head to fall against the cervix.

Question 3

What frequency of contractions is considered normal?

Answer 3

At least 3 in ten minutes

Question 4

How many montevideo units is considered adequate?

Answer 4

200

Question 5

Arrest of active phase is treated with _____________.

Answer 5

oxytocin

If oxytocin fails, then c-section is indicated.

Question 6

Arrest of stage II of labor should be treated with ________________.

Answer 6

oxytocin, provided the baby is still in a negative fetal position

If oxytocin fails, then c-section is indicated.

If the baby is in a positive station, then go to forceps or vacuum.

Question 7

List the three treatment options for arrest of stage III.

Answer 7

1) Uterine massage
2) Oxytocin
3) Manual extraction