Birth control in women also controls their mate preferences.

I don't think people understand what an absolutely huge issue this is, hormonal birth control literally changes people's personality. But we blindly tell millions of people all over the world to take it, the damage done is incalculable.

And with regards to the article, I mean 'duh' you stop any animal from fulfilling its natural function of course it's going to be detrimental, just like genital mutilation in humans.