She's obviously pregnant.Ultimately privacy has a price, and going back to Mumei post in question even there are is sorta vague about her issues, Gura could absolutely keep her fanbase up to date without having to reveal details about her problem, as many people in that reddit thread said a simple "I might not be able to stream until my birthday, sorry" Tweet from her at any point this past 3 weeks would have calmed 90% of the people complaining.