Support needed

So we found out yesterday I'm 4 wks pregnant. I'm 20 years old I have an amazing job at a bank. My boyfriend is 28 and he has a very good job as well. We live in a 3 bedroom house so of course there is room for a baby. I told my mom and she was happy for me. But when I told my dad he was livid. Saying I wasn't ready.. I see where he is coming from because I'm his little girl. But at the same time I'm feeling so down cause now I'm starting to doubt myself. :( encouragement is needed right now