Nonhormonal drugs for contraception in men may have advantages over hormonal
methods. The nonhormonal methods can have more rapid onset and less interference with …

Background The hormonal control of spermatogenesis was unravelled decennia before the
recent advances in genetics and molecular biology. This explains why hormonally active …

PIP: Modern research in male contraception is focusing on 4 areas: 1) hormonal control of
spermatogenesis, the complex processes of spermiogenesis in the testis where the …

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 …

Despite significant interests in contraception by men, effective methods of male
contraception are limited to vasectomy and condoms. Recently, there have been several …

Following up on an earlier clinical trial demonstrating the safety of an intra-vas deferens
injection of a contraceptive drug named Risug, comprised of styrene maleic anhydride …

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 …

Although the spectrum of women contraceptives includes 11 different methods, only 3 are
commonly used by men: condoms, withdrawal, which has a high failure rate, as well as …

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 …

OBJECTIVE:: Male, non-barrier, contraceptive options are limited to vasectomy and
inadequate methods such as withdrawal and periodic abstinence. Herein we give an …