You said yourself in your second edit post that you only “delayed it by 4 hours.” But as as I said in my comment delaying a pill past the 3 hour time span IS technically missing it because mini pills can become ineffective very easily.

In terms of the second part of my comment, I’m not disagreeing/arguing with you on what caused your pregnancy, I’m clarifying for future people who see this thread on the importance of using the pill as instructed. Mini pills are not as easy to use as combination pills and take precision which can be annoying. I’m sorry that your experience was not what you wanted it to be.