Last week Dezeen reported on the invention of Wondaleaf, an adhesive prophylactic which its creator claims is the world's first unisex condom. Here, we round up eight other contraceptive designs with the potential to challenge ideas about sexual health.

Grass fibre condom by the University of Queensland
Researchers at the University of Queensland discovered a way of extracting nano-fibres from the Australian native spinifex grass to use for condoms that are thinner and stronger than standard latex.
They were assisted by the indigenous Queensland community of Indjalandji-Dhidhanu, which has long used spinifex as an adhesive for spearheads.
Find out more about the grass fibre condom ?

i.Con by British Condoms
Described as a fitness tracker for the penis, the i.Con is a smart condom ring manufactured by British Condoms. The wearable tech device measures penis girth, thrust counts and duration of intercourse as well as detecting signs of sexually transmitted infections ? and users are even able to share their data publicly online, if they wish.
Find out more about i.Con ?

Coso by Rebecca Weiss
After she was diagnosed with a cervical cancer precursor that meant she is unable to take the female birth control pill, German design graduate Rebecca Weiss developed Coso ? a male contraceptive device that uses ultrasound waves to halt sperm regeneration temporarily.
Users of the James Dyson Award-winning gadget fill it up with water, turn it on and dip in their testicles. Contra...