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Ectopic Pregnancy

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An ectopic or extrauterine pregnancy is one in which the blastocyst implants anywhere other than the endometrial lining of the uterine cavity. Such pregnancies account for what percentage of reported pregnancies in the United States?

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a. 2

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b. 4

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c. 5

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d. 6

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Most ectopic pregnancies implant in the fallopian tube. Where is the LEAST common fallopian tube implantation site?

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a. Fimbria

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b. Isthmus

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c. Ampulla

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d. None of the above

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Which of the following carries the highest risk of subsequent ectopic pregnancy?

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a. Smoking

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b. Prior ectopic pregnancy

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c. More than five lifelong sexual partners

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d. Positive test result for cervical Chlamydia trachomatis

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Smoking more than one pack of cigarettes daily increases the risk of ectopic pregnancy by what amount?

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a. Twofold

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b. Fourfold

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c. Sixfold

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d. Eightfold

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The levonorgestrel-releasing intrauterine system (Mirena) has a 5-year cumulative pregnancy rate of 0.5 per 100 users. What percentage of these pregnancies are ectopic?

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a. 20

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b. 30

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c. 50

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d. 70

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In a woman with known risk factors for an extrauterine pregnancy who presents with amenorrhea, which of the following symptoms may suggest an ectopic pregnancy?

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a. Breast tenderness

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b. Pain with defecation

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c. Vaginal bleeding and abdominal pain

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d. All of the above

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Inappropriately rising serum β-human chorionic gonadotropin (hCG) levels only indicate a dying pregnancy, not ...

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