Regarding Coitus interruptus, Which of the following is a false statement ?

Withdrawal method or coitus interruptus means the discharge of semen outside the female genitalia at the end of intercourse. Premature ejaculation is the only contraindication. The advantages of the withdrawal method are that it Involves no expense Needs no medical supervision Requires no prior preparation Causes no definite side effects The main drawback: Isthe lack of full sexual satisfaction and the relatively higher failure rate.