This is enough to enable some of the continent men to have a spontaneous
erection sufficient for penetrative sex, others achieved this with the help of medication.
They were asked about their ability to have and maintain
an erection sufficient for intercourse — dating back to 1986.
Not exact matches
Erectile dysfunction (ED), defined as the inability of a man to attain and / or maintain an
erection that is
sufficient for sexual performance, is the most common sexual disorder among men in many parts of the world.