So has anyone ever heard of or tried homemade pregnancy tests what are your thoughts

So yesterday I stumbled upon a video on YouTube where someone was attempting to use bleach to find out if she was pregnant which is very dangerous by the way when the bleach and urine mix the emit a gas that is harmful to you and possibly the baby you might be carrying but there are also one with white toothpaste that's suppose to turn blue and one with pinesol any pregnant woman out there try any of these and get a positive the videos never conferm anything