This study is to identify the related factors for birth bringing-up from 544 women from 20s to 40s who can be pregnant residing in Busan in order to explore the method for birth encouragement in the midst of the low birth reality in Korea. It was revealed from the research result that the married women who have a birth plan recognize the marriage and the value of the children more importantly than the economical burden. In addition, it was known that the wished number of the children for unmarried women was influenced most greatly by the marriage and the value of the children. The expectation of the institutional supporting for the birth encouragement was the consideration for the time of bringing up and support to returning to the labor market after the birth.