OB Rotation Pearls

Question 1

What is the PGE1 analogue used for vaginal induction? Dose?

PGE2? Dose?

Answer 1

Misoprostol, 25 mcg q3-6 hr

Dinoprostone 2.5 mL syringe of gel that has .5 mg
Or
Vaginal insert w/10mg (slower .3 mg/hr)

Max 7.5 mL gel in 24 hours

Question 2

What Bishop score is unfavorable?

Favorable?

Answer 2

6 or less

> 8

Question 3

Name the 5 components in the Bishop scoring system

Answer 3

DPESC - Dick PESCatore
Dilation 0-3
Position of cervix 0-2
Effacement 0-3
Station 0-3
Cervical consistency 0-2

Question 4

How does membrane stripping induce labor?

Answer 4

PLA2 and PGF2 increase

Question 5

What is normal uterine contraction?

Tachysystole?

Answer 5

5 or less in 10 minutes avg over 30 minutes

> 5 in 10 minutes

Question 6

What are contraindications to induction of labor?

Answer 6

Vasa previa/placenta previa
Transverse fetal lie
Umbilical cord prolapse
Active herpes
Previous myomectomy entering the endometrial cavity
Previous C section