What has not been known until now is whether such a loss in the first few months has any effect on the survivor.
迄今为止我们一直不知道的是：如果在妊娠早期的几个月里，如果一个胎儿夭折的话，对存活的另一个是否有什么影响。
Both trials have reported a loss of signals many months after the implant was made and the reasons for this are not yet known.
两个人身上的实验都报告说在移植好几个月后失去信号，其原因目前不得而知。
Hypothyroidism is an underproduction of certain hormones and is the most common cause of patchy hair loss known as alopecia areata (which can affect the whole body and not just the head).
甲状腺功能衰退症就是某种激素分泌较少，这是头发脱落形成斑秃的最常见原因(这可能影响整个身体而不仅仅是头部)。
However, only some of the mutations were likely to cause hearing loss, and it was not known which mutation each mouse had.
然而，仅有一些突变似乎可导致听力丧失，目前还不知道每只小鼠有那种突变。
This is known as temporary hair loss, because genes did not predetermine the loss of hair.
这就是所谓的临时脱发，因为基因没有预先确定损失的头发。
Patients have no right to do the end of the retention of teeth (medically known as the loss of free-end), it is not the same as the right to do with linking the activities of dentures.
患者右下末端已经没有可做固位的牙齿(医学上称为游离端缺失)，所以不能像右上一样做带挂钩的活动假牙。
Patients have no right to do the end of the retention of teeth (medically known as the loss of free-end), it is not the same as the right to do with linking the activities of dentures.
患者右下末端已经没有可做固位的牙齿(医学上称为游离端缺失)，所以不能像右上一样做带挂钩的活动假牙。
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