The message this fertility week is clear: If you want children in the future, you need to make a plan now.
Research shows most Kiwis overestimate how late they can leave it until they start trying for a family.
So what can you do to boost your chances of conceiving and what's happening if you're struggling and infertility issues are unexplained?
Fertility New Zealand Vice President Juanita Copeland spoke to Duncan Garner.
Watch the video.