IVS can refer to several different things depending on the context. Here are some possible meanings:

• Intravaginal Slingplasty: This is a surgical procedure for treating female urinary incontinence.
• Intelligent Video System: This refers to a series of intelligent triggers that attempt to alert the operator or user of a CCTV system under specific conditions. These conditions are set by the user of the system as they make various IVS rules for the various situations they might encounter.
• Individual Values: In the context of Pokémon games, IVs are hidden stats that are randomly applied to each Pokémon when theyre caught. IVs determine how high or low a base stat can go and sets the value to a specific number. This number is usually between zero and 31, with zero being the worst and 31 being the best.
• Incredible Value Services: This is a term that can be used by different organizations, such as the Indus Valley School of Art and Architecture in Karachi, Pakistan, or the International Voluntary Service, an international volunteering organization based in the United Kingdom.

Without more context, it is difficult to determine which meaning of IVS is being referred to.