The research work on RISUG, under the leadership of Guha, began in 1971.
With the new technology developed by Guha, RISUG now has two new variants -- Risugadv or Risug- PH.
Weiss embarked on a RISUG
approval process at the time, but Health Canada required the studies done in India to be replicated in Canada.
Although viable sperm can be found for up to 3 months after vasectomy, RISUG
seems to produce infertility in as little as 10 days afterward.
Since late ' 80s we have been working on a method called RISUG an acronym for Reversible Inhibition of Sperm Under Guidance," says Dr Ambwani.
RISUG promises to be a sure shot method to prevent pregnancies.