John Amory: How a male contraceptive pill could work
존 애모리(John Amory): 남성용 피임약의 작용원리
John Amory is leading research into novel options for male contraception, male infertility and hypergonadism. Full bio
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a contraceptive pill for men,
along gender lines.
I have in store for their testicles.
annually in the United States,
of the more than one million abortions
많은 수의 낙태가
has fallen in the last few years
비중은 지난 몇 년 간 감소하여
are using effective, long-acting,
효과적이고 오래 지속되는
becoming a real possibility
of contraception for women:
shots, sponges, rings, etc.
스펀지, 질 내 삽입용 링 등이죠.
for 30 percent of all contraceptive use,
relying on vasectomy
relying on condoms for contraception
failure rate of over 15 percent?
달하는 데도 말이죠.
can't either safely take
for reasons such as blood clots,
여전히 부족한 실정이며,
would be useful, the next question is:
다음과 같은 질문이 따르겠죠.
swim towards or bind to the egg.
못 가게 하는 겁니다.
to be really difficult,
in the small volume of the ejaculate
약물을 투입하는게 쉽지 않으며
the female reproductive tract.
살아있을 수 있기 때문입니다.
done on the second approach,
더 의존하게 되었는데
sperm production entirely.
완전히 제거하는 것이죠.
that men make a lot of sperm.
무수히 많이 만들어서에요.
수천 개의 정자를 만드는데
of sperm production
hormones to suppress sperm production.
정자의 생산성을 낮추는 것입니다.
when administered together,
이 2가지가 함께 제어된다면
to the testes to make sperm,
생성하는 것을 억제하게 됩니다.
three to four months will stop.
don't respond to these hormonal regimens
호르몬 요법이 통하지 않는데
my colleagues and I
to male contraceptive development,
the administration of hormones.
the function of vitamin A in the testes.
억제하는 실험도 진행했습니다.
it's been known
지난 90년을 넘는 기간 동안
of vitamin A in their diet
when the vitamin A is reintroduced.
정자를 다시 만들기 시작합니다.
to something called retinoic acid.
is found only in the testes.
that we are attempting to block.
should deprive the testes of retinoic acid
고환의 레티노산을 제거할 수 있고
elsewhere in the body.
비타민 A의 기능은 그대로 유지됩니다.
of such a male contraceptive
about the effect that it would have
his contraceptive status over time.
지속적으로 파악할 수 있다는 거죠.
home sperm-testing devices
정액 측정기를 전달했는데
and share the result with his partner.
결과를 파트너와 공유할 수도 있죠.
would feel very comfortable
coupled with a male contraceptive,
이러한 피임 장치를 통해
in preventing unintended pregnancy.
남성의 역할이 확대될 수 있습니다.
on male contraception
피임 방식을 개발함으로써
a better future for couples,
considered just "a woman's issue,"
for couples to decide together.
rates of unintended pregnancy and abortion
ABOUT THE SPEAKERJohn Amory - Male reproductive health expert
John Amory is leading research into novel options for male contraception, male infertility and hypergonadism.
Why you should listen
John Amory is is currently examining the potential of using inhibitors of testicular retinoic acid biosynthesis as reversible male contraceptives. He has published more than 130 peer-reviewed papers in the field of male reproduction and serves on the Advisory Board of the Male Contraception Initiative. He is currently Professor of Medicine and Section Head of General Internal Medicine at the University of Washington, where he works as an attending physician on the inpatient medicine wards and in the outpatient General Internal Medicine and Men's Health Clinics.
John Amory | Speaker | TED.com