Random Ass Qs (OBGYN)

Question 1

At what BhCH level would an intrauterine pregnancy be visible on abdominal US? On transvaginal US?

Answer 1

• TAUS 6500

- TVUS 1000-1500

Question 2

What is the upper limit for starting emergency contraception after unprotected intercourse?

Answer 2

72 hours

Question 3

What is the defect in Kallmann syndrome?

Answer 3

Failure of migration of olfactory and GnRH secreting neurons

Question 4

Describe pregnancy risk factor categories

Answer 4

A: human studies show no risk
B: animal studies show no risk
C: animal studies show risk
D: human studies show risk but may have benefit in certain situations
X: drug should never be used in pregnancy

Question 5

How can you treat infertility in Sheehan syndrome?

Answer 5

LH and FSH replacement

***GnRH pump and clomiphene citrate wouldn’t work cuz they both rely on functioning pituitary

Question 6

How long is the luteal phase in the menstrual cycle?

Answer 6

14 +/- 2 days

**LH surge to onset of menses

Question 7

Advanced cervical cancer is causing heavy bleeding not controlled with vaginal packing … what now?

Answer 7

Emergency radiation therapy

Question 8

What GYN cancer does HNPCC most increase the risk for?

Answer 8

Endometrial cancer

Question 9

Gross cervical lesion is seen on pelvic examination. What diagnostic test is most appropriate?

Answer 9

Office biopsy

Question 10

When would a pap be recommended after hysterectomy for benign reason?

Answer 10

Development of new risk factors (ie new partner, vaginal bleeding)

Question 11

Patient desires estrogen replacement after treatment for endometrial cancer, what do you tell her?

Answer 11

Discuss risk/benefits and let her have it if it’s worth it to her

Question 12

What is preoperative treatment for uterine fibroids?

Answer 12

GnRH agonists

***improves hematologic parameters and decreases uterine volume

Question 13

External genital examination of a 5yo girl shows fusion of the labia minora and generalized erythema … dx? tx?

Answer 13

• labial agglutination (seen in peds and elderly due to lack of estrogen)
• topical estrogen if needed, will resolve with puberty

Question 14

What type of postpartum birth control would be recommended for a 19yo with hx of chlamydia who plans to breast feed?

Answer 14

Progesterone only pill

***IUD CI with recent STI
Combined pill may interfere with milk production

Question 15

What is the most common cause of hyperthyroidism in pregnancy?

Answer 15

Graves’ disease

Question 16

What is the carrier frequency for cystic fibrosis in white population?

Answer 16

1 in 25

Question 17

If a healthy patients sister has cystic fibrosis, what is the likelihood he is a carrier?

Answer 17

2 in 3

**both parents must be carriers so possibilities are AA, Aa, Aa and aa, but he is not affected so not aa

Question 18

How does progesterone level in pregnancy alter the respiratory system?

Answer 18

Causes chronic hyperventilation

** Increases tidal/minute volume with decreased PCO2

Question 19

What is the risk of major congenital anomaly in the general obstetric population?

Answer 19

2-3%

Question 20

What are requirements for wide local extraction of vulvar cancer as opposed to radical vulvectomy and inguinofemoral lymphadenectomy?

Answer 20

• lesion <2cm wide
• lesion <1mm deep
• no lymphatic/vascular invasion
• nonpalpable groin nodes

Question 21

Frozen sections during ovarian biopsy show tumor of low malignant potential … what now?

Answer 21

Complete staging before closing

pelvic/abd cytology, random peritoneal biopsies, partial omentectomy and lymph node sampling

Question 22

What dose of folic acid is recommended to prevent neural tube defects with no prior hx? with prior hx?

Answer 22

• 0.4 mg qd

- 4mg qd