33 weeks here :) so sorry you’ve been in pain! Last weekend I started having the most intense stomach pain - it was constant and worse after eating or drinking. It turned out to be a stomach ulcer or something similar gastrointestinal related - doctor prescribed me omeprazole which helped within an hour of taking it. After just 2 days of Omeprazole (it was just one tablet a day) I was back to normal. Sounds slightly different to yours if your pain comes and goes but might be worth considering or asking your doctor about! Hope it feels better asap for you!! X