HIV-infected persons should avoid pregnancy.

艾滋病病毒感染者应避免怀孕。

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In fact, if you are too serious a friend, identified in order to avoid pregnancy after pregnancy, it is necessary to do the super-B.

其实你朋友的话言重了，确定了怀孕后为了避免宫外孕，是非常有必要去做B超的。

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Efforts to avoid activities or situations that remind the woman of the pregnancy or abortion.

避免参加唤起女性怀孕或流产回忆的活动。

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Ms. Streeter wants to help these girls to be successful in school and avoid early pregnancy.

VOA: special.2009.01.28

Amanda, being raised by her Catholic grandparents after her mother abandoned her, was determined to avoid pregnancy and become the first in her family to get a college degree.

CNN: Rural America has a teen pregnancy problem

Although nearly all unmarried young adults say it's important to them to avoid pregnancy at the present moment, a third also say they would be at least a little happy if they did find themselves pregnant.

WSJ: The New Unmarried Moms

Crystal's nervousness is understandable - though doctors say that if HIV-positive women take anti-retroviral drugs during their pregnancy and avoid breast-feeding, the chance of their baby carrying the virus is tiny.

BBC: Teenagers - anonymous