10:00Woman's HourMale fertility; Gordon Brown on global vaccination; Celebrating Ailsa Burkimsher Sadler and Caroline Norton.BBC Radio 4 Duration: 43 minutes Tue 4th May 2021, 10:00 on BBC Radio 4 LWAvailable for over a yearListen nowWhat's behind the decline in male fertility? Show more GenresFactualLife StoriesFactualHealth & WellbeingBrandWoman's Hour Source: BBC Online