16 and pregnant

well let me start off by saying that I'm going through a lot right now , I just found out I'm pregnant and well by the title in 16 . My mom had put me on the pill for 5 months and i took it as instructed, My doctor decided to put me on a stronger pill and well I did have sex during my fertile window. Then I noticed that all my friends were getting their periods and I wasn't *we all get it together * they noticed too so they told me to get a pregnant test so I went to my doctor the next day to get a test and they told me it came out positive . Now It's the 4th of November and I already told my mom but I don't want to tell my dad , I know he's going to get mad ....someone had my situation?