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13 Cards in this Set
- Front
- Back
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What lab findings distinguish true precocious puberty from pseudoprecocious puberty?
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True (Central): ↑ LH/FSH. a dose of GnRH further ↑LH/FSH
Pseudo: ↓LH/FSH, no change with GnRH. (b/c exogenous hormone is suppressing it) |
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What is the definition of precocious puberty?
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Boys: before 9
girls: before 8 |
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What are some of the causes of pseudoprecocious puberty?
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Exogenous estrogen
Congenital Adrenal Hyperplasia (CAH) McCune Albright HPA dysfxn Hormone secreting tumors (Sertoli-leydig) |
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What is the definition of premature ovarian failure?
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Menopause at age 40 or less
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Which hormone level is a/w an increase in basal body temperature? How is basal body temperature a/w ovulation?
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Progestin. The increase in basal body temperature occurs 24hrs before ovulation
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What are 4 different options for emergency contraception?
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1) take 4 to 5 birth control pills in 24hrs
2) Take an estrogen pill (Plan B) 3) Insert a copper IUD 4) Mifeprastone (RU486) |
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What are the contraindications to OCP use?
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female >35 and smoking
Hx of DVT, CVD Migrane with aura |
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What medications are known for reducing the effectiveness of OCPs?
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things that increase p450.
Smoking, Drinking, Barbiturates, Carbamazepine, Rifampin, Phenytoin (anticonvulsants in general), Griseofulvin |
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What is the definition of primary amenorrhea?
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age 13: no 2ndary sexual characteristics and no period
age 16: no period |
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What is the first step in any work-up of amenorrhea?
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B-HCG
prolactin, TSH, FSH, Testosterone & DHEAS, Progesterone withdraw test |
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What are the basic components of a workup for secondary amenorrhea?
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BHCG
Karyotype FSH/LH levels DHEA-S |
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Primary amenorrhea + absent secondary sexual characteristics + anosmia --> what is the dx?
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Kallman's syndrome
congenital absence of GnRH secretion |
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What is the initial step in the mgmt of a woman presenting with secondary amenorrhea and new galactorrhea with the BHCG is negative
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check PRL, check TSH
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