No sex at all during pregnancy

We are 10 weeks and my wife said no to sex since the day we learnt that we were blessed with a pregnancy.

Yes I do understand that after a seven weeks miscarriage she/we has/have to worry, I do respect her will but I wonder if there is really a season to worry!!

Considering she is not yet in a good mood, I would want to wait until she starts feeling good but not after 40'weeks.

What do you advise?