When it comes to contraception it seems women have the lion's share of options. This is perhaps down to the fact that society has decided that they, not men, must bear most of the burden of preventing pregnancy.

But men’s birth control options — and, therefore, responsibilities — could soon be expanding. So how far away are we from seeing the likes of a non-hormonal male contraceptive pill in our pharmacies and why is it taking so long to develop?

Dr. Gunda Georg, is Regents Professor & Director of the Institute for Therapeutics Discovery and Development at the College of Pharmacy at the University of Minnesota - she joins Jonathan to discuss.