Welcome at HCM.
I have read your query completely.I can understand your problem.Different phases of pregnanecy test your inner strength.
there is already ligament laxity to accomdate the new born in womb.
Your fall may most probably lead to stretching of ligaments.Chances of bone injury
looks to be very less.
I will advice you to do rest.This will help you in your recovery.
Wish you a happy & healthy life.