A blob of gel on the shoulder every morning: new gel may give men control over their fertility

A hormone-based gel designed to reduce sperm production is at the trial stage. Dan and Emily trialled the gel for 18 months, here's how they got on.

A hormone-based gel designed to reduce sperm production is at the trial stage: The NES/T gel contains a mixture of progestogen and testosterone. The progestogen switches off sperm production and the testosterone compensates for the drop in testosterone this causes."

A male contraceptive gel currently being trialled could signal a historic medical breakthrough that allows men take equal responsibility for birth control.

The ground-breaking global study (NES/T) is taking place at Saint Mary’s Hospital, Manchester, as well as in Edinburgh and five other locations worldwide — US, Sweden, Italy, Kenya and Chile.