OB/GYN Flashcards
Mean age of menarche in the US?
13
Definition of precocious puberty?
puberty
Lab findings distinguish true precocious puberty from pseudoprecocious puberty?
True: incr LH/FSH, GnRH increases LH/FSH
Pseudo: decr LH/FSH, no response with GnRH
Some causes of psuedoprecocious puberty?
Exogenous hormones, androgen/adrenal tumor, CAH
Treatment for central precocious puberty?
continuous GnRH agonist
Which phase of the menstrual cycle is fixed at 14 days, regardless of cycle length?
luteal
FSH triggers the release of which hormone from the follicle?
estradiol
Premature menopause is defined as menopause before what age?
40
WHat is required for a diagnosis of menopause?
woman > 45 with 1 year of amenorrhea
As periods become less frequent during perimenopause, what hormonal changes are occurring?
incr FSH/LH, fluctuating estrogen and decr response to FSH/LH
Side effects of estrogen? Side effects of progesterone?
Estrogen - weight gain, nausea, breast tenderness, HA, endometrial proliferation
progesterone - acne, depression, HTN`
Four different options for emergency contraception?
Combo OCP
levonorgestrel
copper IUD
mifepristone
Mechanisms of action of OCPs?
inhibit follicle/ovulation, incr cervical mucous, decr chance of implantation
OCP use decreases the incidence of what types of cancer?
endometrial CA
ovarian CA
colon CA
Woman present with primary amenorrhea, absent secondary sexual characteristics, and anosmia. What is the diagnosis?
Kallmann syndrome
What is the definition of premature ovarian failure?
1 year
What is the most common cause of secondary amenorrhea?
pregnancy
What is the initial step in the management of a woman presenting with secondary amenorrhea and new galactorrhea when the beta hcg is negative?
PRL level
TSH
Basic components of a work up for secondary amenorrhea?
beta hcg PRL TSH/FSH DHEAS/testosterone progesterone; prog/estrogen challenge
Treatment of choice for primary dysmenorrhea?
NSAIDS
OCP
Medications effective in treatment of PMS and PMDD?
NSAIDS, OCP, exercise, vit B6, progesterone, SSRI, benzo
first line tx for endometriosus?
NSAIDs/OCPS
laparoscopy
Most common cause of female infertility?
Endometriosis
3 D’s of endometriosis
dysmenorrhea
deep dyspareunia
dyschezia
What is the most common cause of irregular, heavy uterine bleeding?
ovulatory dysfunction
When is endometrial biopsy necessary part of work up for abnormal uterine bleeding?
> 45 year old
What is the most common clotting disorder that can cause menorrhagia? What lab values are abnormal?
von Willebrand disease
incr bleeding time, increase PTT
most common cause of hirsutism in US? What lab finding is used to make the diagnosis?
PCOS
incr LH, LH:FSH ratio, incr andorgens, pos progestin challenge
which type of cancer are women with PCOS at increased risk and why?
endometrial CA, unopposed estrogen
medications used in the treatment of PCOS?
OCP, progesterone, metformin, spironolactone, statin, clomiphene, abx cream
What can lactational amenorrhea be relied upon as an effective method of contraception?
if patient only breast feeds every 3-4 hours, and under 6 months from delivery
Distinguishing features of bacterial vaginosis, candida vaginitis, and trichomonas?
bact vag - PH > 4.5, clue cells on wet mount
candida - budding hyphae on wet mount
tricho - flagellated organisms on wet mount
treatment of gonorrhea?
ceftriaxone
treatment of chlamydia?
azithro, doxy
Sexually active woman presents with classic symptoms of cystitis. UA shows no organisms. What organism do you suspect is the cause of this patient’s symptoms?
chlamydia
What medications can be used in the treatment of syphilis?
PCN G
doxy/tetra
Indications for an endometrial biopsy?
woman > 35 with abnormal uterine bleeding
age
What is the next step in the management of a CIN 2 cervical lesion identified on biopsy in a woman who has completed fertility?
excision: LEEP, conization, laser
What is the next step in the management of an ASCUS pap smear with positive HPV test?
colposcopy
What is the next step in the management of an AGUS pap smear?
coloposcopy, endometrial sampling
endo biopsy if > 35
What are the symptoms of ovarian cancer?
asymptomatic, abd pain, ascites, wt loss, change in bowel habits, change in menstruation, fatigue, adnexal mass
What are the risk factors for ovarian cancer?
fam hx (BRCA 1/2), nulliparity, early menarche, late menopause, infertility
Serum marker may be elevated in cases of ovarian cancer?
CA 125
Ultrasound findings consistent with benign ovarian tumors? With malignant ovarian tumors?
simple cysts, smooth edges, few septae
complex cysts, irreg, nodularity, many septae, spreading
Type of ovarian tumor is associated with psammomma bodies? Estrogen excess? Andorgen secretion?
serous cystadenoma
granulosa/theca cell
sertoli/ leydig cell
complication of gonorrhea or chlamydia that infects the capsule of liver?
Fitz Hugh Curtis
Breast disease described as most common tumor in teen and young women
fibroadenoma
Breast disease described as most common mass in patients 35-50
fibrocystic changes
Breast disease described as often presents with serous or bloody nipple discharge
intraductal papilloma
Drugs notable for causing gynecomastia?
STACKED
spironolactone THC alcohol cimetidine ketoconazole estrogen dig
most common breast cancer? most common site for breast cancer?
invasive ductal CA
upper outer quadrant
Findings suspicious on a mammogram?
hyperdense regions, microcalcifications
Treatment for ductal carcinoma in situ of the breast?
lumpectomy + radiation
mastectomy
Once you have ruled out invasive cancer, what is the management of LCIS? Why is drug therapy so effective?
observe, SERMs, excisional biopsy
LCIS always ER (+), PR (+)
What term describes heavy bleeding during and between menstrual periods?
menometrorrhagia
SIgn of early pregnancy matching hyperpigmentation of sun exposed areas of the face
chloasma
SIgn of early pregnancy matching hyperpigmentation of midline of lower abdomen
linea nigra
SIgn of early pregnancy matching dark bluish red discoloration of the vaginal mucosa
chadwick sign
SIgn of early pregnancy matching softening of the cervix
Goodall