It's your problem that you can't get away from.
Bowel habits do alter. Mine did: 10 mins. B4 a bleed even if one wasn't due, I would have to dash to the loo, 'the runs'. It meant that I was unable to plan any trips around that time of month. Definitely hormonal!
I have had slow bowel transit for years, helped by various medication as well as regular pots of
actimel. I doubt if you have a cancer or blockage. But good that your GP is on board and BAD that you are using Dr Google
. Think about your diet since your fall. Have you changed your eating habits, have you taken pain relief for any aches and pains that may well have appeared: I remember after my heavy fall 11 years ago various parts of me hurt for about a week after. Especially my shoulders
. Pain relief can affect bowels.
You may have a prolapse or it may be 'within normal limits' if you haven't been feeling down there regularly. A prolapse could well alter how your bowel and urethra act by pressing differently. Did your GP recommend female physiotherapy to help ?
Start listening to your Dad and son ;-). Have that sit round the table chat and come to an agreement where they throw a buzz word at you when you get stressed. Then stop what you are doing and think - is it worse/better/same. Is it symptoms muttering or worry letting itself out.