Background The advent of new methods of male contraception would increase
contraceptive options for men and women and advance male contraceptive agency …

Globally, men have not shared equally with women the responsibility for fertility regulation.
While family planning efforts have been directed almost exclusively toward women, the lack …

Objective To analyse our experience of ejaculatory duct obstruction (EDO) in infertile men,
evaluating the diagnostic steps and the outcome of management according to the aetiology …

Despite the variety of available female contraceptive methods, many pregnancies (∼ 50%)
are still undesired. Many men (> 60%) want to participate equally with their partner in family …

The continued and rapid expansion of the Earth's population mandates the need for safe
and effective measures of contraception. While a plethora of options exist for women …

This report describes the procedure for percutaneous injection of silicone to form plugs in
the vas deferens. The injection of 0.1–0.16 ml Chinese‐made silicone into 14 men achieved …

Vasal sterilization has become the most popular method of contraception in many countries
since the 1960's. In China, an estimated 30 million men have undergone voluntary …

The vas deferens is a site which can be exploited for male contraception without undue side
effects. The only effective technique available for male contraception is vasectomy, being …

US6103254A - Methods for sterilizing male mammals - Google Patents US6103254A -
Methods for sterilizing male mammals - Google Patents Methods for sterilizing male …

Backgrounds Despite a wide spectrum of contraceptive methods for women, the unintended
pregnancy rate remains high (45% in the US), with 50% resulting in abortion. Currently, 20 …