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This research improves the correlation between birth control and birth outcomes by understanding the childbirth environment and birth stress. A Quasi Experiment research . The sample size was calculated using a two-tailed test, the significance level α was 0.05, the power was 80%, three groups of repeated measurements were taken three times, the effect size (effect size) was set to medium.25, and the required number of samples was 108 people, resulting in a 20% wastage rate, a total of 129 people are needed, so each of the three groups is expected to accept 43 people.
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129 participants in 3 patient groups, including a placebo group
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Data sourced from clinicaltrials.gov
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