目前，被允许终止妊娠的行为多发生在24周孕期之内，且孕期继续将危害孕妇的生理和心理健康的情况下。
Most terminations are carried out on the grounds that continuing a pregnancy could harm the woman's physical or mental health, and such abortions are permitted only before 24 weeks' gestation.
目的对妊娠11 + 0 ~ 14 + 6周正常胎儿心脏结构进行观察，获得该孕周内正常胎儿心脏的生理参数。
Objective to observe the cardiac structures of the normal fetuses between 11 + 0 to 14 + 6 weeks' gestation for obtaining the normative data of the gestational age.
本文复习了妊娠期母体的生理及甲状腺功能变化，介绍了妊娠期甲亢的诊断与治疗方法。
The article reviews the changes of physiology and thyroid function of pregnant woman and introduces the methods of diagnosis and treatment of hyperthyroidism in pregnancy.
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