We're drowning in infertility research that's lacking in impact.

48 million couples worldwide have fertility problems - so why are we no closer to resolving it.

To try deal with that pile of research, a Kiwi professor has co-led a project ranking the top 10 research priorities, ranked by those who are infertile.

LISTEN TO KATE HAWKESBY TALK TO UNIVERSITY OF AUCKLAND'S PROFESSOR OF OBSTETRICS, CINDY FARQUHAR