Nevet try and flip baby by your self you can really hurt your self and baby badly so please do not do it ask your doctor about it and they will tell what you can do.
My daughter was still feet first until I was 39 weeks almost 40 then she finally decided to flip if by 40 he still hasnt your ob or midwife will try and flip him id you ask.
You could try and google it..that's what I always do when I need to know something lol..sorry wish I could be more help :)
not sure, maybe google it :)