 Common procedures in infertility treatment such as semen analysis and intrauterine insemination ( IUI ) require collection of semen samples . These are most commonly obtained through masturbation , but an alternative to masturbation is use of a special collection condom to collect semen during sexual intercourse . 
 Common procedures in infertility treatment such as semen analysis and intrauterine insemination ( IUI ) require collection of semen samples . These are most commonly obtained through masturbation , but an alternative to masturbation <a href='drop_aux' title='1'><mark>is</mark></a>use of a special collection condom to collect semen during sexual intercourse . 
Common procedures in infertility treatment such as semen analysis and intrauterine insemination ( IUI ) require collection of semen samples . dem r most commonly obtained through masturbation , but an alternative to masturbation use of a special collection condom to collect semen during sexual intercourse .