Having worked with kiwifruit in a research capacity, the plant you have is more likely to be
Actinidia arguta (kiwiberry / hardy kiwi) rather than
Actinidia chinensis (the green/gold kiwifruit you get in the shops).
As the poster above said, kiwifruit are dioecious -- male and female flowers are located on different plants. It is technically possible to sex the plant before flowering, but this involves molecular tests which may not be commercially available in your area. Easiest thing is to wait until it flowers. If it has a well-developed stylar brush, it's female, and you'll need a male plant (
A. chinensis and
A. arguta males both can pollinate
A. arguta females). If the stylar brush is small and atrophied, it's a male and you'll need a female plant (best to get
A. arguta female, as the male pollen from
A. arguta isn't so good at pollinating
A. chinensis). Nurseries claiming to
sell self-compatible kiwifruit are often mistaken--hermaphrodites do exist, but as far as I am aware, none have become commercial varieties as they tend to produce small numbers of low quality fruit.
Your kiwiberry vine looks pretty happy--best of luck!