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- Now many scientists are studying fetal development. 目前许多科学家正在研究胎儿的发育。
- It will be particularly difficult to compensate for genes that malfunction during fetal development. 用健康基因置换那些胎儿发育时功能就不正常的基因时效果尤其不佳。
- The stem cells of lymphocytes are in the liver in fetal development and in the bone marrow in postnatal life. 淋巴细胞的干细胞，在胎生期来自肝脏，出生后则由骨髓产生。
- Kammen K. Connexin 26 in human fetal development of the inner ear. Hear Res 2001; 160:15-21. 许巍钟。职业性噪音性听力损失:从职场暴露到动物实验。台湾大学公共卫生学院职业医学与工业卫生研究所。台北，2006。
- People are at increased risk of schizophrenia if, during the middle of their fetal development, their country experienced a flu epidemic. 母亲在胎儿成长的时候得流行病。
- Eating grains fortified with folate before and during pregnancy helps prevent neural tube defects during fetal development. 在孕前和孕期食用添加叶酸的强化谷物,防止胎儿发育过程中的神经管缺陷。
- The multiplication of UU within the trophoblasts may disrupt cell structure which could interfere the normal fetal development. 滋养层细胞内UU的增殖，可诱发相应的细胞结构的改变，以致干扰胎儿的正常发育。
- DHA has been found to play a significant role in cerebral development throughout the life cycle, especially during fetal development and infancy. DHA已发现在生命的发育过程中对大脑的起着重大的作用，特别是在胎儿发育时和婴儿期。
- Is now a critical point, is your whole period of a critical period of pregnancy, fetal development is now beginning to form organ systems. 目前是一个临界点，是你整个怀孕期的一个关键时期，胎儿现在开始发育形成器官系统。
- The early stages of pregnancy, she was very careful, regular gynecological medical checks to ensure normal fetal development. 怀孕初期，她非常小心，定期接受妇科医生的检查，以确保胎儿正常发育。
- They specialize into pluripotent cells that can give rise to most, but not all, of the tissues necessary for fetal development. 他们存在于多功能性的细胞中，促使这些细胞分化成绝大多数对婴儿的成长有着重要作用的组织（但不是全部）。
- A lack of food can stunt growth, slow thinking, sap energy, hinder fetal development and contribute to mental retardation. 缺少食物会阻碍发育，降低思考能力，消耗能量，阻碍胎儿发育并且导致精神发育迟缓。
- Bisphenol A (BPA) is a widely used plasticizer whose estrogenic properties may impact hormone-responsive disorders and fetal development. 二苯A（BPA）被广泛的用作可塑剂，因为它的雌激素性质可以对荷尔蒙应答的失调和胎儿的发育发生影响。
- During fetal development, abnormal openings may occur in the pericecal, small bowel, transverse colon, or sigmoid mesentery, as well as the omentum, leading to mesenteric hernias. 在胎儿发育阶段，这种异常的裂隙可能发生在盲肠旁、小肠、横结肠或乙状结肠和网膜，造成肠系膜疝。
- This is the fetal development, in particular the development of the central nervous system effects are also very obvious, but the impact is often irreversible. 这对胎儿的发育，特别是中枢神经系统的发育影响也非常明显的，而且这种影响常常不可逆的。
- These multi-color contain lead, mercury, heavy metals and so on, mothers applied, may enter the fetal circulation through the body and affect fetal development. 这些彩妆多含有铅、汞等重金属，准妈妈涂抹后，可能会通过循环进入胎儿体内，影响胎儿发育。
- An alcoholic mother may have a handicapped and stunted child with fetal alcohol syndrome, which is due to the effects of ethanol and malnutrition on fetal development. 母亲酗酒时，儿童出生后可能因胎儿酒精中毒综合征造成残疾或侏儒症，其原因是酒精和营养不良影响胎儿发育。
- Exposure to an excess of sexual steroids, like testosterone, during fetal development may be a potential risk factor for low sperm count and motility, according to a new study. 根据一项新的研究显示：在胎儿发育阶段，暴露于过多的性类固醇，如睾丸激素，可能是造成潜在低精子数和低精子运动能力的危险因素。
- It is particularly important that pregnant women receive enough iodine in their diet, as iodine is a key nutrient in the fetal development process, especially with respect to the brain. 由于碘是胎儿发育过程、尤其是脑发育过程的主要营养素,特别重要的是孕妇在其饮食中获得足够的碘。
- During fetal development, the mesentery of the duodenum, ascending colon, and descending colon becomes fixed to the posterior peritoneum.These segments of the bowel become retroperitoneal. 在胎儿发育阶段，十二指肠、升结肠和降结肠的肠系膜固定于腹腔的后壁，这些肠管位于腹膜后。
