The focus of her thesis was the gender-related behaviour of women whose mothers had taken the synthetic oestrogen diethylstilbestrol during pregnancy.
[4] Hines completed a postdoctoral fellowship in Neuroendocrinology and Neuroscience at the UCLA Brain Research Institute.
[3] She investigated hormonal influences on brain development in rodents there and at the University of Wisconsin, Madison where she was a visiting scientist.
[11][12] She has appeared on a discussion panel with autism researcher Simon Baron Cohen, who also is interested in hormonal influences on human gender development.
[16] In 2013 she appeared on BBC Radio 4 discussing the spat between Suzanne Moore and transgender rights activists.