Sex? 🤷🏻‍♀️

Me and my partner have been together for 4 years I am 13 weeks pregnant.

We never have sex! It has never been something we did every single day anyway, but now it has gone down to once every 2 weeks. I feel I am to blame for this but I do not have a high sex drive and even more so now I am pregnant.

Please tell me this is normal!?