OB/GYN Flashcards

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1
Q

First line therapy for women hirsutism

A

Combined oral contraceptives then anti-androgen medicines like spironolactone. Do not use metformin

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2
Q

Treatment for heavy menstrual bleeding in an adolescent female.

A

Monophasic combined oral contraceptive with 30- 50 µg of ethinyl Estradiol taken every eight hours until bleeding stops

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3
Q

How do you work up a breast lump in a woman under 30 and in a woman over 30.

A

Under 30 if you feel a palpable mass get an ultrasound because mammogram is very non-specific. If they are over 30 then you should get an ultrasound also a diagnostic mammogram in case one study mises something and the other one can capture it. If the imaging does not reveal a mass that can be felt by either the patient or the clinician have the patient wait two or three menstrual cycles and follow up for reevaluation. At that time possibly go to a surgeon
Mammograms alone can mess 10–15% of breast cancer’s

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4
Q

What is the lifetime risk of developing breast cancer and what are the chances of dying from breast cancer

A

The risk of developing breast cancer if you live until age 85 is one in every eight women but only one N 36 women with breast cancer will die from it unlike lung cancer one and 20 will die from it

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5
Q

First line for nausea in pregnancy

A

Doxylamine (unisom) and B6

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6
Q

Starting new birth control. When do you need a negative HCG before starting a birth control….

A

If >7 days ago and has had unprotected sex then get a Neg HCG and need a backup method x 7 days. If <7 days use backup method for 7 days. start new birth control immediately.

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7
Q

Resources for medication safety in lactation

A

LactMed

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8
Q

SSRI to avoid in lactation

A

Prozac. Others safe. Sertraline, paroxetine and nortriptaline undectable in breast milk.

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9
Q

what is the cause of PCOS

A

Insulin Resistance

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10
Q

LH/FSH ratio suggestive of PCOS?

A

3:1,

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11
Q

Oral Contraceptives can lower risk of what?

A

Ovarian cancer by 50%

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12
Q

Alternative for estrogen for hot flashes?

A

zoloft, paxil, clonidine 100 patch, gabapentin

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13
Q

What level of progesterone represents recent ovulation?

A

Progesterone >3 ng/mL

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14
Q

How often should maternal TSH be checked in first 20 wks gestation?

A

Every 4-6 wks.

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15
Q

In general what happens to TSH levels during pregnancey?
What is goal TSH during pregnancy?

A

TSH lowers starting at 6 wks due to increased TBG due to estrogen mediated hepatic production.
TSH < 2.5, Usually dble dose x2/wk (28%) is needed.

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16
Q

Why is it so important to keep thyroid levels adequate during pregnancy?

A

After the 14th week fetal brain development may already be irreversibly affected by a lack of thyroid hormones.

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17
Q

what is most common reason for female infertility?

A

Primary ovulatory insufficiency (ovulatory dysfunction) is the most commonly identified cause of infertility in women and is present in up to 40%

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18
Q

Some initial testing for female who is infertile?

A

Hypothyroidism and hyperprolactinemia are among the more common causes of anovulation and require early evaluation and specific treatment. Timed FSH and estradiol levels will distinguish between hypothalamic/pituitary, ovarian, and other causes of ovulatory dysfunction. Ovulation should be documented by serum progesterone level measurement at cycle day 21 of a 28-day cycle or 1 week before the predicted onset of menses.

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19
Q

2 simple questions to screen for IPV (intimate partner violence)

A

“Have you ever been hit, slapped, kicked, or otherwise hurt by your partner?
Have you ever been forced to participate in sexual activities?”

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20
Q

After sexual assualt what time frames are important to know as to when you can prevent certain consequences of the assualt?

A

If presented within 72 hours after the assault, she would have been eligible for HIV postexposure prophylaxis.
If presented within 5 days of the assault, provision of emergency contraception would have been appropriate.

21
Q

How prevelant is sexaul assualt in the US

A

43% lifetiime risk for females

22
Q

what is the best imaging in women with breast mass?

A

In women younger than 30, ultrasonography of the breast is the preferred imaging modality to begin the evaluation (SOR C).
For women older than 30, starting with diagnostic mammography is recommended. MRI is rarely indicated in the evaluation of a breast mass (SOR B).

23
Q

Pregnant pt with worsening asthma during preganancy. what can she do?

A

budesonide/formoterol with mild asthma is a single inhalation of 200/6 µg as needed for symptom relief, with a maximum formoterol dose of 72 µg in a single day

24
Q

Common methods of emergency contraception?

A

Copper IUD up to 7 days, Levonorgestrel,
Combined OCP (100 µg ethinyl estradiol and 0.5 mg levonorgestrel (equivalent to 1 mg norgestrel) given as two doses 12 hours apart within 72 hours of intercourse), within 72 hours, NNT 17
Oral mifepristone,
ulipristal selevtive progeterone receptor modulator effective up to 120 hours after.

25
Q

Normal age for puberty in females.

A

The normal age range for the onset of puberty in girls is 8–14 years. The average age at menarche is 12.5 years, and the absence of any pubertal development by 13 years of age is an indication to evaluate the patient for delayed puberty.

26
Q

What is first sign of puberty in females

A

thelarche

27
Q

Signs that menarche is close to starting?

A

Menarche generally follows peak skeletal growth by about a year.

28
Q

Define Primary Amenorrhea?

A

Primary amenorrhea is defined as the absence of menarche by age 15, or within 3 years of thelarche

29
Q

How to screen and how often to screen female with history of high grade SIL on pap?

A

After the initial 6-month testing, HPV testing or co-testing should be performed annually until three consecutive negative tests are documented.

Beyond this initial surveillance period, continued testing is recommended at 3-year intervals for at least 25 years after treatment of high-grade histology such as this patient’s cervical intraepithelial neoplasia (CIN) 3.

Post-treatment HPV testing has been shown to be the most accurate predictor of treatment outcome

30
Q

Female who has migraine with aura should avoid what type of birth control?

A

Migraine with aura is a category 4 condition for any estrogen-containing contraception

Category 1: A condition for which there is no restriction for the use of the contraceptive method
Category 2: A condition for which the advantages of using the method generally outweigh the theoretical or proven risks
Category 3: A condition for which the theoretical or proven risks usually outweigh the advantages of using the method
Category 4: A condition that represents an unacceptable health risk if the contraceptive method is used

31
Q

Some true statements about SUD in women vs men

A

Women metabolize nicotine faster than men
women more likely to relapse
Menstral cycle changes contribute to more or less use of drugs
Shorter time from start to dependence than men

32
Q

describe fetal - maternal transfusion and why can it be risky for the fetus?

A

Rh incapatabily and the resultant antibodies that form and then cross placenta.

33
Q

Define postpartum endometritis?

A

2 of the first 10 days of fever over 100.4. With lack of other cause of infection. Start intravenous clindamycin plus gentamicin, the traditional gold-standard therapy
After clinical improvement has been observed with intravenous antibiotics, additional oral antibiotics are not needed, as they have not been proven to be beneficial.

34
Q

Things to think of with menorrhagia? AUB

A

-Abnormal uterine bleeding can be categorized as ovulatory (regular cycles) or anovulatory (irregular cycles).
-Ovulatory (menorrhagia) evidenced by heavy bleeding that lasts for more than 7 days and occurs at regular intervals every 24–35 days.
-Up to 20% of women presenting with heavy menstrual bleeding will have an underlying inherited bleeding disorder, with a higher prevalence in adolescent females. The onset of heavy menses at menarche is often the first sign

35
Q

How long does it take for ovarian cysts to resolve? What is on DDX for ovarian cyst? When is surgery needed?

A

-most resolve spontaneously in 8–12 weeks without the need for surgical intervention. Follow-up ultrasonography is recommended in 4–6 weeks.
-Surgical management is indicated if the cyst persists beyond 8–12 weeks or if other high-risk signs are present on ultrasonography.
- (infection, malignancy, ectopic pregnancy, ovarian torsion)

36
Q

When is most likely time women will sex produce a pregnancy?

A

Start 5 days before and continue until 24 hrs after ovulation (7 days). Ovulation occurs between day 10 and 16 but average is day 14. Slight increase in body temp, mucous changes, incresed libido and breast tenderness can signal ovulation as well.
Sperm stay viable for up to 5 days in female body. egg viable for 12-24 hrs after ovulation.

37
Q

When does Mastitis appear? What bacteria commonly present? How to treat?

A

2-3 wks postpartum, Effects 10% of women, Consider ways to better drain milk from breast, avoid cracked nipples. Staph aureas main bug. Augmentin, keflex, clida? baby can still nurse. make sure no abcess.

38
Q

Best way to switch contraception?

A

7 days of back up method
Depo shot, cont pill x 7 days
Nuvaring, insert ring one day before last pill
start patch 2 days before last pill
Continue pill x 4 days after nexplanon inserted

39
Q

What is ICP, how is it treated? what are some risks?

A

intrahepatic cholestasis of pregnancy (ICP), evidenced by generalized pruritus, elevated liver enzymes, and increased serum bile salts, generally in the absence of a rash. This is a pregnancy-specific reversible condition that results from impaired metabolism and excretion of bile acids from the maternal bloodstream.
Ursodeoxycholic acid, 500 mg twice daily, has been shown to provide symptomatic relief from pruritus, decrease elevated liver enzymes and maternal serum bile salts (SOR B), and improve fetal outcomes
Risk of stillbirth.

40
Q

What is Lichen Sclerosis? sxs? treatment?

A

Lichen sclerosus (LS) is a chronic, benign, inflammatory dermatologic disorder that most commonly involves the vulvar and anogenital regions. Common symptoms include severe pruritus and dyspareunia, as well as dysuria and a burning sensation or pain with defecation. The etiology is unknown but it most commonly occurs in hypoestrogenic states such as peri- or postmenopause and before puberty
Treatment is high potency steroid oitments or pimecrolimus 1% cream twice daily

41
Q

what should you think of in someone with severe insulin resistence?

A

HAIR-AN syndrome, a rare subphenotype of PCOS, consists of hyperandrogenism, severe insulin resistance, and acanthosis nigricans, and occurs in nearly 5% of women with hyperandrogenism

42
Q

Always check these labs when diagnosing PCOS?

A

TSH and Prolactin

43
Q

Med to consider in women at high risk for ER positive breast cancers?

A

Tamoxifen for premenopause
Raloxifen for postmenopausal
can reduce breast cancer risk by up to 48%

44
Q

Combined OCPs can reduce what kind of cancer?

A

Ovarian

45
Q

What is ASB of pregnancy? what problems can it cause? how common is it? What is a good treatment choice?

A

Asymptomatic bacteria of pregnancy can. happen in 2 - 15% of all pregnancies. can lead to preterm labor, treatment reduces very-low-birthweight infants. All pregnant women should have a urine culture. 12 - 16 weeks gestation. Macrobid is good choice assuming no resistence or allergy. No repeat culture needs to be done if based on culture sensitivities. 4-7 day course recommended.

46
Q

Describe “baby blues”

A

a period of increased emotional lability, irritability, and fatigue that can begin in the first 24–48 hours post partum, has limited impact on functioning, and usually disappears within 2 weeks

47
Q

What percent of women with hx of prior depression treatment will have postpartum depression?

A

30%

48
Q

What should you think if female comes in with hyperthyroid symptoms within first 12 mo of delivery? How do you treat?

A

Postpartum thyroiditis is an autoimmune disorder that affects up to 10% of women. It should be considered anytime a woman has symptoms consistent with hyperthyroidism within the first 12 months after delivery, and it can also occur following an abortion or miscarriage.
The hyperthyroid phase of postpartum thyroiditis is caused by autoimmune destruction of the thyroid, causing a release of thyroid hormone. This typically lasts for 1–2 months, followed by a hypothyroid phase lasting 4–6 months. Up to 25% of women will become permanently hypothyroid, whereas the majority will become euthyroid.
Beta Blockers

49
Q

At what age does the risk for MI increase for women who smoke and use combiined oral contraception?

A

Age ≥35 and smoking 15 or more cigarettes per day is a category 1 condition for the progestin-only pill, the etonogestrel implant, the copper IUD, and the levonorgestrel IUD