How can implantation be successful

Patient's question:

Sure, here is the translation of the content you provided:
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No
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Doctor's answer:

1. The ovary releases normal eggs
2. Sperm fluid is normal and contains normal sperm
3. Eggs and sperm can meet in the fallopian tubes and combine to form a zygote
4. The zygote is successfully transported into the uterine cavity
5. The endometrium is fully prepared for the zygote to implant, requiring a calm mood, adequate rest, warmth, and proper treatment with good cooperation.