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v3.24.3

Related Party Balances and Transactions (Details) - USD ($) | Dec. 31, 2023 | Dec. 31, 2022
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Related Party Balances and Transactions [Abstract] |  |
Due from shareholders | $ 354,285 | $ 2,240,872

X
- Definition Due from shareholders. + References No definition available. + Details
Name: | nivf_DueFromShareholders
Namespace Prefix: | nivf_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant

X
- References No definition available. + Details
Name: | us-gaap_RelatedPartyTaxExpenseAbstract
Namespace Prefix: | us-gaap_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration