I just wanted to add too that my Ob told me too that hiccups are a good sign. As Boybump said, it shows good brain development and also my Ob said that it takes coordination for the bub to hiccup (which it needs to swallow) so that's very positive also.
Try to relax and it's not always great to google things (even though very hard not to at times).
I'm sure all will be fine. My first bub had the hiccups alot and was born without any problems and this bub has been hiccupping away inside too.
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