The goal of this quasi-experienmental study is to investigate the effectiveness of mindfulness-based intervention in the level of uncertainty and anxiety, and determintation towards hospital admission among pregnant women. The main questions : • Do pregnant women in intervention group reduce anxiety and uncertainty? • Do pregnant women in intervention group increase self-determintation ability towards hospital admission? Women in the intervention group participated 4 weeks mindfulness-based intervention online courses, Researchers have seen effectiveness of mindfulness-based intervention in the level of uncertainty, anxiety, and determintation towards hospital admission among pregnant women.

The aim of this study is to investigate the effectiness of mindfulness-based intervention in the level of uncertainty and anxiety, and determination towards hospital admission among pregnant women. This study is a quasi-experimental design and convenient sampling to recruit primipara women in the distrct hospital. A total of 31 participants were enrolled, eleven participatns were assigned to the experimental group, and twenty participants were in the control group. The measurements were demographic characteristics andobstetric data, FFMQ,VAS of uncertainty and anxiety, and ACS.

Inclusion Criteria:

1. At least 20 years old.
2. Single primiparous women with gestation over 28 weeks.
3. Clear consciousness, ability to speak, write and read Chinese, able to write questionnaires by themselves.
4. Those who are expected to have a vaginal delivery.
5. Agree to participate in the researcher after the research description.

Exclusion Criteria:

1. People with mental health problems, such as: depression, mental illness, etc.
2. The woman has pregnancy complications or the fetus has any complications.
3. Arrange for labor induction.
4. Those who have meditated or attended mindfulness courses.