She and physicist Robert Greenblatt got to know each other in the late 1960s in the United States and he helped her fix menopausal women's health needs.
[1] In 1962 Hailes joined the Australian Red Cross Society,[1][3] where she was a medical officer in the Victorian Division's blood transfusion service for ten years.
[1] Hailes confronted Australian medical practitioners for their neglect to promote this treatment (due to side-effect concerns).
Hailes, along with sympathetic woman doctors established and staffed a weekly half day clinic which accepted patients without requiring them to submit a medical referral.
[1] The mainstream medicine industry supported Hailes for developing clinical and research expertise that was related to the health issues of older women.
Hailes (with the Burger) developed a paper on a hormone replacement therapy research program titled `Oestrogens and Menopausal and Post-menopausal Women’.
Hailes raised public awareness that was intent on confronting myths on the issues related to menopause.