Kay Macklin was a happy and secure mother of two, but when her third child arrived everything suddenly changed.
She felt disconnected and lost.
"When I had my two previous children I had felt that total connection straight away and this was so different, and I knew something was wrong, but I didn't know what," Ms Macklin said.
"When my daughter cried I had no reaction and sometimes didn't want to even pick her up, and I used to think, 'What's wrong with me?'. It was scary."
Ms Macklin, now aged 65 and living in Queensland's Sunshine Coast region, said her experience of postnatal depression was in 1984 when the condition was rarely discussed or acknowledged.