History of Birth Control
This type of pill for women was first approved in 1960.
What is the birth control pill?
Male birth control lowers the number of these cells that are needed for pregnancy.
What are sperm?
Male birth control has been shown to be over this percent effective in some studies.
What is 95%?
This continent has hosted many male birth control trials, including in India and China.
What is Asia?
Hormonal birth control lowers how many of these cells are made each day.
What are sperm?
Scientists started looking into birth control for men in this decade.
What are the 1970s?
This is the main male hormone that male birth control affects.
What is testosterone?
More than half of men in this age group say they would try male birth control.
What is 18 to 44?
This country in Europe has supported men using hormonal birth control.
What is France?
This type of gel has both testosterone and another hormone.
What is NES/T gel?
This big health group has run many male birth control studies around the world.
What is the World Health Organization (WHO)?
Male birth control often adds this hormone to work better with testosterone.
What is a progestin?
In surveys, many women said they would do this if their partner used male birth control.
What is trust them?
The NES/T gel is being tested in this country and others.
What is the United States?
Male birth control works by changing signals in this system of the body.
What is the hormone system (or endocrine system)?
A 2016 study testing male birth control shots stopped because of these.
What are side effects?
These two hormones in the brain help control sperm production.
What are FSH and LH?
These side effects led some men to quit early trials.
What are acne, mood changes, and weight gain?
This UK university is doing research on male birth control.
What is the University of Edinburgh?
Unlike condoms, hormonal birth control works from inside the body by doing this.
What is changing hormone levels?
This group in the U.S. supports research on male birth control.
What is the Male Contraceptive Initiative?
Male birth control works by stopping this process, which creates sperm.
What is spermatogenesis?
Trials aim to reduce sperm count below this number to prevent pregnancy.
What is 1 million sperm per mL?
This group helps lead global health research, including on birth control.
What is the WHO?
This kind of feedback loop stops the body from making its own testosterone.
What is negative feedback?