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Epidemiology 4

Epidemiology: OBGyn, STDs, ID

QuestionAnswer
__% of women are GBS vaginal/rectal colonized 10-30%
Chronic intrauterine infection is responsible for __% of IUGR pregnancies 5-10
Infants in the __ percentile are classified as having intrauterine growth restriction (IUGR) < or =10th
Infants in the __ percentile are classified as large for gestational age (LGA) > or = 90th
What is the most common medical complication of pregnancy Diabetes mellitus
Preexisting diabetes mellitus affects approximately __ per 1000 pregnancies 1-3
GDM complicates __% of pregnancies 4
What are the ethnic or racial groups with a high prevalence of diabetes Hispanic Americans, Native Americans, Asian Americans, African Americans, Pacific Islanders
Hypertension complicates __ of all pregnancies 5-7%
Preeclampsia/eclampsia is responsible for __% of hypertension in pregnancy 70
___% of women are asymptomatic with ectopic pregnancy before tubal rupture 50%
Most common cause of postpartum hemo Uterine atony
How often are breech presentations found in term pregnancies 3-4%
What is the rate of c-section in the US 1 in every 10 births
Prevalence of shoulder dystocia 0.06-1.4% of deliveries
Preterm delivery is particularly acute among what group African Americans
Leading cause of developmental disability in children Preterm delivery
uterine fibroids (leiomyomata) AA>W; pos FH; fibroids assoc with 4x risk of endometrial ca
endometrial ca 75% postmenopausal (usu estrogen-independent)(mean age 58 yo); W>AA; estrogen-dept more common in younger women
most common Gyn malignancy endometrial ca = 4th most common female malig
endometriosis nulliparous F late 20s-early 30s; 7% FH; 30% of infertile F have endometriosis
ovarian cancer No 2 most common Gyn cancer. Epithelial is higher annual COD than all other Gyn ca combined. Dx 50-75 yo. 75% dx at advanced stage. 90% are sporadic
highest mortality rate among Gyn malig: ovarian ca; 60% die within 5 yrs
cervical cancer Bimodal: 35-39 yo & 60-64 yo. CIN mid-20s. CIS 25-35 yo.
vulvar malig: rarest of Gyn ca; postmenopausal (mean dx age 65 yo); 25% have comorbid cervical cancer
breast cancer Most common F malig; 2nd F COD from ca; W>AA BUT higher M&M in AA; 85% ductal, 15% lobular. 230,000 cases.yr; 40,000 deaths/yr
infertility 15% of repro-age couples in US; 7-28% prevalence, inc w/inc F age
multiple births 3% incidence (& increasing); 1 in 80 births; 2/3 are dizygotic (fraternal)
What is the lifetime risk of contracting an STD 1 in 4
STD: What age group is the highest at risk population 15-24
What geographic regions are at highest risk for STD’s southeast and urban
2nd most commonly reported infectious disease in US Gonorrhea
About how many patients with latent syphilis progress to tertiary phase 2/3
The most commonly reported STI in the US Chlamydia: >1 million infections in 2006
Chlamydia is most prevalent in what population <20 yr olds, nulliparous, users of non-barrier contraceptive methods
pertussis infxn most often in: premature infants; pts w/cardio, pulmo, neuromx probs
HIV epi 40M world, most in Ctrl/E Africa (1/3 infected); 5M cases & 3M deaths/yr
rickettsial transmission is highest during: spring & summer; eastern US; transmitted by wood tick
Number of pts diagnosed with sepsis per year: 750,000
Abruptio placentae Occurs in 1 of 120 births. Cause of 10-15% of perinatal mortality
Uterine cancer No 1 Gyn cancer in US. 75% at initial dx have dz confined to uterine corpus.
Created by: Abarnard
 

 



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