Female age:

Time (in years) since vasectomy:


Consult a specialist for a professional opinion.
Created by A. Farley Click here to view formula
Odds of successful surgical retrieval:

Number of in vitro attempts per year:

Odds of successful vasectomy reversal based on time since vasectomy:
Under 6 years:

6 to 9 years:

Over 9 years:

Odds of becoming pregnant per month, based on age range:
Under 26:

26 to 38:

39 to 42:

43 to 46:

Over 46:

Welcome to VARTy

The vasectomy reversal-assisted reproductive technology (ART) success-probability calculator

Just enter your wifeís/partnerís age and the how much time in years has past since your vasectomy, then hit submit.† The program will return probabilities of pregnancy one after a vas reversal or after as many IVF attempts as you specify.† The outcomes will vary based on the vas reversal success rates, the number of IVF attempts, and maternal age.† Contact your vas reversal specialist for his/her unique success rates.



Disclaimer: The VARTy calculator is for educational purposes only.† Individual patient outcomes may vary from the results returned from the program.† Consult your physician for any specific question or advice.

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Please change the

variables on the right side of the form for a more accurate calculation for your situation.† The current default values are for guidance only.