All of the above, and to relieve, take a little piece of gauze and put a dab of vaseline on it, and massage her anus, in circular motions.
If after 5-10min, you don't get any results (no gas or poop), you can also insert (very gently) a q-tip with a little vaseline on it, about 1-2cm and gently move it about, back and forth for a few seconds.
It did wonders for my LO, that was struggling with gas and constipation in the beginning. The nurses at the hospital showed that little trick, which essentially stimulates your LO's bodily functions.
Caveat: Don't do it too often, or the LO will come to rely on it!