Advice needed ❤️

Hey, I’m not sure which group to put this in but my Husband and I had a huge breakdown in our relationship, we stopped having sex or barely did so I came off of contraception. We went to marriage counselling and communicated our real problems, we have worked through a lot of issues and over the weekend our sex life when from 0-100 🤣 We have 2 children and we do want another child one day but his career is going really well and I’m working towards a degree. I want to go back on to contraception but obviously now I’m wondering what if over the weekend I ovulated. Would going onto contraception straight away harm or abort the possible ‘baby’? Because that’s not what I would want to happen and neither would he. So do I wait until my next period starts to be sure and maybe use condoms until then?

I’m sorry this sounds really dumb but I haven’t been in this situation before and want to do the right thing, Thank you 😊