EST article - urine or sweat?

[xpomg]

Everything I have seen said it’s in your urine when your pregnant… what about this article? Or is the article unreliable?

Those researchers focused their attention on so-called sex attractants like androstenone, a substance found in boar saliva, and “copulins,” primate vaginal secretions that supposedly triggered male mating behavior. When further research showed that these substances had mixed or minimal effects in humans, however, excitement within the scientific community died down. But interest continued outside the scientific community, and some researchers founded companies to develop and market pheromone-based products intended to boost self-confidence or sexual attractiveness. Two of the substances that received the most attention were the hormone-like chemicals androstadienone and estratetraenol, which are found in human sweat.
“The idea was that men produce androstadienone and that’s a sex attractant to women, and women produce estratetraenol and that’s a sex attractant to men,” explains McClintock, who is critical of the claims made by many commercial pheromone companies. "Then they backed off from the sex attraction and modulated it more, to say, ‘Well, it just makes you feel more self-confident and open to social communication.’

Pheromones, in context