“We were at the edge of divorce when I decided to try this. Years and years without delight of orgasm and sexual satisfaction. This could ruin any life but not ours. Viagra worked and I always keep the pill near my bed as nobody knows when my wife asks ...

“I take 20 mg Cialis pill and it works as expected but after sexual intercourse I sometimes feel muscle pain in the back and fatigue. I do not know if this is because I work like a stud or it is a side effect. Anyway I am lucky that I gave it a try.”

Understanding the seasonal patterns of sperm could improve fertility treatments, by optimising the timing of treatment, the reasearchers say.

New contract will require patients in England to be given immediate appointment if needed.

Grace Bell, who was born without a viable womb, says her little boy is "simply a miracle".

Bid to improve access to Mounjaro in England, but experts warn eligibility still tightly restricted.