【More・・・】
I'm regretful about your child.
I'm sorry for the little one. I understand what challenging such a situation might seem. I urge you, receive my heartfelt condolences.
I'm regretful for the little one. I understand how difficult such a situation can feel. I urge you, receive my genuine apologies. I genuinely regret the inconvenience inflicted. I'm anticipating that you will pardon me.