The interrupted certificate or act

[Veronika]

Whether constantly used method of contraception " the interrupted sexual certificate or act " threatens the husband an impotency?

[mariamm]

Not that that directly threatens, but adversely acts on nervous system and certainly raises or increases probability.
Except for that it not the method of contraception, up to an ejaculation is allocated greasing in which spermatozoons contain

[Veronika]

We this method use 9 years?