Collingwood forward Kayle Kirby will miss at least the next three months after collapsing on field during a VFL practice match at the Holden Centre on March 31.

Kirby has been diagnosed with an underlying heart condition, and will be monitored by Collingwood doctors and his cardiologist over the next 12 weeks.

Kirby will undergo a light training program during that three month period, although he is very unlikely to return to football during that time frame.

Collingwood's statement concluded by suggesting any updates on Kirby's health would be make at the end of the three-month period.