We are not doctors nor midwife if no one response because they do not want to lead you to the wrong direction..
Try to remember that every persona nd every pregnancy is different. Someone may not experienced what u r asking about or know the answer. None of us are experts.
Oh that's not good you've had a bad experience with this app. I do go through all the pregnancy boards when I can and give my advice and knowledge when I can. I live in Australia so I'm on at strange times.