As you enter the third trimester, you’ve probably gained at least 15 to 20 pounds.

当你进入怀孕后期时，你可能已经增重了15--20磅。

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Conclusion The twin pregnancy and singleton pregnancy have different growth patterns in the third trimester pregnancy.

结论 双胎妊娠胎儿与单胎妊娠胎儿在晚孕期有着不同的生长发育规律。

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Conclusions Deficiency of trace elements of pregnant women during the third trimester might affect their newborns' birth status.

结论孕晚期孕妇微量元素含量对新生儿出生状况有一定影响。

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Five or six years ago, parents could wait until the third trimester to reserve a spot, said executive director Carol Brathwaite.

WSJ: It's Now a Grind For 2-Year-Olds

Women in their first trimester during the earthquake rated it as "extremely upsetting" whereas those who experienced it during the third trimester found it only "moderately" upsetting, she said.

BBC: Earthquakes 'trigger early births'