Thanks for your query.
I have read your query & I understand your concerns.
There are 2 possibilities in this situation:
1) Injury to the muscle on the site of lower rib cage
. In this situation you should feel better in 3 to 4 days on the Ibuprofen
you are taking.
2) Rib fracture
is another possibility. If pain does not decrease by more than 50 % please get an X-ray to rule out rib fracture.
I hope I answered your query. I will be available for any followup queries you have.
IVF & Infertility