Dr Hsueh suggests that part of the answer may lie in a conflict between maternal and paternal genes.
Hsueh博士说：部分原因可能是因为母方和父方基因的冲突。
In this region, as elsewhere, the goals calling for reductions in maternal and neonatal mortality present a major challenge.
在该区域，与在其它地方一样，要求降低孕产妇和新生儿死亡率的目标是一项主要挑战。
As a result, the program achieved significantly increased use and quality of a number of critical maternal and child health services.
结果，该方案显著提高了许多针对孕产妇和儿童的关键的医疗服务的使用率和质量。
"We've known for a long time that maternal education is important," says John Cleland of the London School of Hygiene and Tropical Medicine.
伦敦卫生与热带医学学院的约翰·克莱兰说：“我们早就意识到了产妇教育的重要性。”
There is already some evidence suggesting that the ringed seal, a phocids species that is similar in size to the harbor seal, may also use a maternal foraging strategy.
已经有一些证据表明环斑海豹，即一种体型与港海豹相似的海豹科物种，可能也会使用母性觅食策略。
I didn't have as strong a maternal instinct as some other mothers.
我不像其他一些母亲那样有那么强烈的母性本能。
My interpreter, who is a doctor, and I were on a mission to photograph maternal health and mortality issues.
我的翻译是一名医生，他和我执行拍摄孕产妇的健康和死亡问题的任务。
Mr Sarkozy, whose maternal grandfather was a Jew from Salonika, is the first French president born after the war.
萨科齐是第一位战后出生的法国总统，其外祖父是来自萨洛尼卡的犹太人。
A more fanciful theory is that Mr. Sarkozy has a natural sympathy for the country that was home to his maternal grandfather, a Jew from Thessaloniki.
一个更稀奇的推测说，萨科奇先生对于其外祖父的祖国有一种天然的同情，他的外祖父是来自塞萨洛尼基的犹太人。
I have no desire to have a child, no maternal or paternal instinct.
我没有想要孩子的意愿，没有母性的或父性的本能。
The risk of dying in a botched abortion isonly part of a broader problem of maternal health in poor countries.
在贫困的国家，在糟糕的流产手术中死去的风险还仅是母亲健康问题中的一部分。
Today everyone working in reproductive and maternal health has a chance to restore hope and dignity to millions of women and girls.
今天，致力于生殖和孕产妇健康的每一个人有机会使数百万妇女和女孩恢复希望和尊严。
There was a dreaminess, a preoccupation, an exaltation, in the maternal look which the girl could not understand.
在母亲的脸上，有一种女儿不明白的朦胧恍馏、心不在焉和洋洋得意的神情。
He added: "Pregnancy is uniquely sensitive to a challenging maternal psychosocial environment - much more than, for example, after the baby is born."
他补充道：“怀孕是独特的敏感，以一个具有挑战性的母亲的心理环境，远不止，例如，在婴儿出生。”
Reductions in maternal mortality depend absolutely on a well-functioning health system.
减少孕产妇死亡率绝对要依赖于运转良好的卫生系统。
FAO also promotes home gardens as a means to improve household and maternal nutrition.
粮农组织还促进家庭菜园以作为改善家庭和产妇营养的一个手段。
A 2004 McGill University study of lab rats found that certain maternal behaviors can silence a gene in the hippocampi of their pups, leaving them less able to handle stress hormones.
2004年麦吉尔大学的大鼠试验发现母鼠的某些特定行为使幼鼠大脑海马区的某些基因沉默，小鼠处理应激激素的能力因而下降。
Now a new study suggests that the biggest predictor of maternal blues is a woman's concerns about her relationship with her partner.
目前一项新研究表明，母性忧虑的最准预测者是女性对于和她老公关系的担心。
We used informant networks to characterize all maternal deaths, and a capture-recapture method to estimate the total number of maternal deaths.
我们采用监测网络来收集所有产妇死亡方面的信息，并采用重复捕取的方法来估计产妇死亡总数。
Lying is a common strategy children invoke to resist maternal inflexibility. They see it as a way of preserving their real self, without engaging in useless fights.
说谎是儿童用来对抗母亲固执的共同策略，是儿女用它在不必与母亲吵架而保留真正自我的一种方法。
Envy is one of the most confusing and disturbing maternal emotions a child can face.
嫉妒是母亲情绪中最令孩子困惑和不安的。
Bangladesh, for example, has had a big drop in maternal mortality and under-five mortality despite having a low number of skilled attendants.
例如，尽管孟加拉国只拥有少数的有技能的助产师，但该国的孕产妇死亡率和5岁以下儿童死亡率已大大降低。
One idea to explain this is that in animals such as humans, where there is a lot of maternal care, females find physical aggression less affordable.
对这个的一个解释是在人类这样需要有大量的母性关怀的动物中，女性认为身体上的攻击性是很难承担的。
We should not be surprised that improved maternal health is such a difficult goal to reach.
要改善孕产妇的健康是如此难以实现的目标，我们不能为此感到惊奇。
I think of myself as a part of the universe, just like a fetus in the maternal. What does a fetus think of the mother?
我感觉，我就是宇宙的一部分，就像一个胎儿待在母体中，胎儿怎么去思考自己的母亲？
I think of myself as a part of the universe, just like a fetus in the maternal. What does a fetus think of the mother?
我感觉，我就是宇宙的一部分，就像一个胎儿待在母体中，胎儿怎么去思考自己的母亲？
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