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Unique ID issued by UMIN UMIN000035736
Receipt No. R000040108
Scientific Title Effects of chatbot for preconception care: a randomized controlled study
Date of disclosure of the study information 2019/02/01
Last modified on 2019/03/08 06:45:35

No. Disposal Last modified on Item of update
1 Insert 2019/02/01 09:52:28
2 Update 2019/02/12 13:39:36 No. of arms
Interventions/Control_3
Interventions/Control_3

Target sample size
3 Update 2019/02/12 13:40:13 Date of protocol fixation
4 Update 2019/02/22 13:43:17 Date of protocol fixation
5 Update 2019/02/27 12:47:13 No. of arms
Interventions/Control_1
Interventions/Control_2
Interventions/Control_3
Interventions/Control_3
Target sample size
6 Update 2019/02/28 13:39:36 Interventions/Control_3
Target sample size
7 Update 2019/02/28 13:42:20 Primary outcomes
Primary outcomes
8 Update 2019/02/28 13:43:14 Anticipated trial start date
9 Update 2019/03/08 06:31:03 Date of protocol fixation
Anticipated trial start date
10 Update 2019/03/08 06:45:35 Interventions/Control_1
Interventions/Control_2
Interventions/Control_3
Target sample size


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