The friendliest place on the web for anyone with an interest in aquariums or fish keeping!
If you have answers, please help by responding to the unanswered posts.
Maybe. Typically livebearers don't hide when they are ready to spawn. Make sure she is not shimmying or have anything that looks like dust on her. If you see dust it is velvet and you need to get on top of it ASAP.
Since she is prego it is a possibility her being in corners is a sign of labor...my guppy sits in my corner plants, pants, and then gives birth....this is her pattern so I always know by her hiding first