When I was at college, the womens' group had a slogan "free abortion on demand". This has never been achieved, but if it were implemented, one consequence would be less girls. Among immigrants from the Indian sub-continent, there is a significant bias in favor of sons. This is one of the consequences of it: http://www.standard.co.uk/news/health/uk-ethnic-communities-have-high-rates-of-illegal-abortion-of-female-foetuses-9060694.html. I suppose this is a dilemma for hardline feminists, if there still are any.