The more correct opinion is that Sujud al-Tilawah is an act of worship, but it is not like prayer. So, it is not essential to be in a state of wudu or to face the qiblah when you offer sujud al-tilawah.

Semen in the case of men is a thick, white liquid, and in the case of women it is thin and yellow. Madhiy is a sticky white fluid that is emitted when a person is thinking of or desiring intercourse. Maniy requires performance of ghusl, but madhiy requires performance of wudu. Maniy is pure but madhiy is impure.