Trish Inderbitzin is a Senior Billings Ovulation Method® teacher with a wealth of experience helping couples in the Atherton Tableland region of Far North Queensland to understand the signs and symptoms of their fertility in order to achieve pregnancies as well as space their families. Trish has been involved locally in the schools programme teaching adolescents the importance and significance of their fertility as well as giving talks to pre-marriage couples locally and health professionals in Brisbane.