2.5. Dropout and discontinuation criteria
ADVERSE REACTIONS, COMPLICATIONS
Patients who withdraw from the study voluntarily, who experience poor compliance during the study period, or who are considered not suitable for further participation in the trial by the researcher will be removed from the RCT. The reasons include, but are not limited to the following: Participants do not take EZTG at the prescribed dosage or duration; Participants experience adverse reactions or complications related to EZTG during the study period; Participants are pregnant before IVF cycle; Participants take other medications during the study that may interfere with the study results, such as oral conceptive pills and estradiol. The concurrent use of other TCM preparations will also not be allowed.The trial will be terminated if there are any of the following conditions: The double-blind design is accidentally disclosed or broken, leading to the failure of the trial; Existing evidence to prove no effect of the drug; The ethics committee identifies ethical issues in the experimental process; The prespecified interim analysis finds the expected difference in efficacy between the groups.