Estrogen and progestin to prevent conception

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1. Most oral contraceptive agents use low doses of estrogen and progestin to prevent conception.

a. Explain how these oral agents specifically prevent ovulation and pregnancy.

2. A 30-year-old woman consults her gynecologist because amenorrhea the inability to become pregnant. Physical examination reveals an obese woman with hirsutism. The physician tells her she might have a condition known as polycystic ovarian syndrome (PCOS) and that further laboratory tests are indicated.

a. Among the tests ordered were a fasting blood glucose, and serum LH, FSH, and dehydroepiandrosterone (DHEA) levels. What would a positive diagnosis for PCOS look like in terms of these laboratory factors?

b. What is the probable cause of this woman's amenorrhea, hirsutism, and failure to become pregnant?

Reference no: EM132412722

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