confession about being pregnant

So here is the current situation. im married to my soulmate and everything is just fine. we have a room mate, hes a bit older than me, but he only makes $3 more and hour than me. im still in college, and hes in his early 30's.

so we met, all cute, two months later I went on a date with him, everything is all great. I loved him from about a month in. I couldn't find a single thing I didn't like about him. he gave me a ring to wear on my right hand about two months in. about 6 months in i took antibiotics with my birth control and we found out I was pregnant a month later, tied the knot two months after that, bada bing bada boom - here we are. im 23 weeks +3, married, and couldnt be happier.

here's the catch. and what I feel bad about.

in the bed room i have a thing with a man letting go in me. he knew this, I was on the pill. it turned me on to think about getting pregnant and I wasnt so great about taking the pill... the antibiotic mix i seriously didnt know. I had no clue antibiotics messed with birth control. but. ... I feel like because I had such an affinity for the thought, and the action of him letting it go in me, and because about every two weeks I'd slack on my birth control, its my fault. I mean we are happy, and I wouldnt trade it for the world. I loved him before it got complicated.. but its my fault isnt it? I feel like it was a subconscious ploy. not to lock him down, but to jist be pregnant. ever since ive been pregnant the craving for him to bust in me has subsided. I'm still going to go back to school, and I still work. but.... am i a terrible fucking person?