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视频简介：
本课程的目标是，向公众提供最新的有关营养方面的信息和话题，内容涵盖饮食因素对于癌症的影响作用，健康的饮食习惯，学校能提供的营养有哪些，咖啡因与癌症的联系，水果蔬菜与癌症预防等。通过本课程的学习，人们可以学习到健康的生活饮食习惯，在每天的饮食中防癌症于未然。
adj. 谦虚的，适度的，端庄的
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- The normal range for BMI is 18.5 to 24.9.
- BMI的正常范围为18.5到24.9
- A BMI less than 18.5 is considered underweight.
- BMI低于18.5，则体重偏轻
- And this can have many implication on the mother
- 这将会对母亲和胎儿产生很多影响
- and fetus as discussed later.
- 之后会详述这一点
- A BMI 25 and 30 is overweight.
- BMI介于25和30之间是超重
- And higher than 30 is considered obese.
- 高于30则是肥胖
- Weight gain should be gradual and accumulate
- 增重是个缓慢的过程
- throughout the nine months of pregnancy.
- 应当在9个月的孕期内逐渐增加
- In the first trimester, between one to four pounds should be gained.
- 早期妊娠阶段，体重应当增加1到4磅
- During the second and third trimester,
- 在中期和晚期妊娠阶段
- two to four pounds per month should be gained,
- 每个月体重应当增加2到4磅
- with the most weight gained
- 体重的增加量应当
- during the last three months.
- 在最后三个月达到最大
- Health care professionals advise against
- 卫生保健人员建议不要
- losing weight during pregnancy
- 在孕期减肥
- even if obese at the start of pregnancy.
- 即使在一怀孕时就属于肥胖
- Again, a minimum of 15 pounds is required
- 而且应当至少增重15磅
- to provide the support of the baby.
- 为胎儿提供营养
- Steady weight gain is more important
- 稳定地增加体重更加重要
- in the second and third trimesters
- 特别是在中期和晚期妊娠阶段
- and often is reflected in the weight of the baby.
- 通常反映在胎儿的重量上
- This can mean gaining three to four pounds
- 也就是说应当每月增加3到4磅的体重
- which is about 1.4 to 1.8 kilograms
- 大概就是1.4到1.8千克
- a month until delivery.
- 一直依此增重直到生产
- It is often not possible to be at the ideal weight
- 通常很难在怀孕前
- before becoming pregnant.
- 达到理想体重
- However, if you are planning on becoming pregnant
- 但是如果计划怀孕
- and are not at an ideal weight, it is important
- 而且体重也不是很理想的话
- to start seeking help
- 应当提早开始寻求帮助
- from a health care professional early
- 从卫生保健人员那里获取建议
- so that you can have a healthier pregnancy.
- 这样才能健康地怀孕
- Some associated risks have been found
- 一些相关的风险已经被检查出来了
- between pre-pregnancy BMI and birth outcomes.
- 这些风险通常发生在怀孕前至生产这一阶段
- Underweight women have complications
- 体重偏轻的女性会出现以下一些问题
- such as an increased risk of preterm delivery,
- 例如早产
- low birth weight, iron deficiency anemia,
- 出生的胎儿体重过轻，缺铁性贫血
- and other nutritional deficiencies
- 以及其他一些营养不足的问题
- associated with an inadequate diet.
- 这主要是由膳食营养不足引起的
- For overweight women, some risks
- 对体重偏重的女性而言，会面临以下风险
- include gestational diabetes,
- 包括妊娠期糖尿病
- gestational hypertension, which is high blood pressure,
- 妊娠期高血压
- Caesarian delivery, birth defects
- 剖腹产，胎儿先天性畸形
- such as neural tube defects and even fetal death,
- 例如神经管缺损，甚至胎死等
- postpartum effects include hemorrhaging,
- 产后影响包括大出血
- wound infection or increased time of wound repair,
- 伤口感染或者伤口不易愈合
- and depression.
- 以及产后忧郁症等
- If a women is obese during pregnancy,
- 如果妇女在孕期变得肥胖
- it also raises the chance her child will be obese later in life.
- 这也会提高婴儿日后肥胖的风险
- There are many misconceptions
- 人们存在很多误解
- about caloric needs during pregnancy.
- 不清楚孕期对热量的需要
- During early pregnancy, the energy requirements
- 怀孕初期，能量需求量
- are not different from pre-pregnancy needs.
- 与怀孕前是不一样的
- Typically, pregnant women require
- 怀孕的妇女需要
- between 2,200 to 2,900 calories a day.
- 每天摄入2200到2900卡路里热量
- This amount is sufficient for the additional needs
- 这一数量足够满足
- of the developing fetus.
- 胎儿发育所需的额外热量
- A modest increase in calorie needs occurs
- 需要将热量需求略微提高一般是在
- during the second and third trimester of pregnancy.
- 中期和晚期妊娠阶段
- During the second trimester, there should be
- 中期妊娠阶段时
- an increase of about 340 kcal per day
- 应当每天增加大概340卡热量
- and during the third trimester there should be
- 在晚期妊娠阶段
- an increase of 452 kcal per day.
- 应当每天增加452卡热量
- These are very minor increases in caloric intake.
- 这些热量的摄入量都是很小的
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| 重点单词 | 查看全部解释 | |||
| modest | ['mɔdist] | 联想记忆 | ||
| sufficient | [sə'fiʃənt] | 联想记忆 | ||
| pregnancy | ['pregnənsi] | 联想记忆 | ||
| pressure | ['preʃə] | 联想记忆 | ||
| steady | ['stedi] | |||
| hypertension | [.haipə'tenʃən] | 联想记忆 | ||
| infection | [in'fekʃən] | 联想记忆 | ||
| implication | [.impli'keiʃən] | 联想记忆 | ||
| diabetes | [.daiə'bi:ti:z] | 联想记忆 | ||
| deficiency | [di'fiʃənsi] | 联想记忆 |
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