阵痛频率计数器

孕妇临近生产时阵痛后可以使用的阵痛频率计数工具
【阵痛频率计数器】
可记录阵痛间隔和持续时间。
即使阵痛突然开始也能不慌不忙，轻松记录阵痛间隔。

1. 阵痛开始时点开始
2. 阵痛结束时再点结束就完成操作
3. 阵痛间隔和持续时间会自动保存于纪录中 Pregnant women near the throes of labor pains can be used when producing a frequency count tool
[Pains frequency counter]
Recordable pains interval and duration.
Even if labor pains suddenly began to hurry can easily record the throes interval.

1. pains start point of beginning
And then the end point of the operation is complete at the end of 2. pains
3. pains interval and duration are automatically saved in your history