Will I regret not having kids?

So I’m currently 22 and don’t want kids, and I’m CONSTANTLY told I will regret my decision.

First, I have a literal fear of pregnancy and giving birth. I’m petite and have narrow hips. My mother nearly died when she had me, and my dad had to make the decision of which one of our lives to save. Luckily we were blessed that day and a different doctor came in and saved us both.

Second, I don’t think I’m capable of raising kids. Kids have always liked me, but the feelings are quite mutual. I like kids, but I’m definitely still selfish and don’t want to put a lot my time and money into someone else. Especially when I can barely figure out my own life path right now.

And finally, I’m afraid I’m infertile. I’ve only had two partners in the bedroom, but I’ve never really had a pregnancy scare. My current partner and I don’t use condoms, and we do the pullout method. We’ve had a lot of sex and I’ve never had a scare. It’s just that I’m scared to get a real answer on whether or not I’m capable or having kids.

Anyone ladies here not have kids and are still happy.

Edit: I should’ve added that my period is very irregular (I’ve gone three months without a period a few times in life) and even then, I’ve never worried about being pregnant. There’s also some family history of womanly problems and my mom actually had ovarian cancer at 25.