We investigated the use of progesterone for prevention of preterm birth in twin pregnancy.

我们研究使用黄体激素来预防怀双胞胎女性早产的风险。

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If there are two heartbeats instead of one, that is usually the best indication of a twin pregnancy.

如果有两个心跳，而非一，即通常是最好的说明一双胎妊娠。

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We describe a case of dizygotic twin pregnancy which was referred to our centre because of a discordant anomaly of one of the twins.

我们描述一个案件双卵双胎妊娠其中提到了我们的中心，因为一个不和谐的异常之一的双胞胎。

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The drug is not intended for use in women with a multiple pregnancy, such as a twin pregnancy, or other risk factors for preterm birth.

FORBES: New Drug To Prevent Pre-Term Birth Approved

In the midst of my demanding job as a tenure-track professor, I became pregnant naturally, but then had to take medical leave for a rare pregnancy complication, which ended in the stillbirth of twin daughters.

CNN: Women, consider freezing your eggs