Stuck between a rock and hearts

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Am 21 with a 10 month old son and recently I found out I was pregnant(5weeks)now with my second child. This was unplanned! Wasn't expecting this at all I am a single parent with my first and will also be with my second. We are in the process of moving and I will be attending school online for vet asst. plus am working.. I decided to keep this pregnancy hidden as long as possible away from friends and family bc I am upset with myself and I know they will only speak negative. Abortion isn't an option but I was thinking hard on adoption but the more I think about this pregnancy the more I cry && my mom told me I will regret it in the future which I know she's right but it's just I don't wanna be a young single parent all Over again, but I know I wouldn't be able to hand it over after 9months! I had the worst pregnancy ever and i just don't want it to repeat! If there's anyone that can relate to my situation please feel free to give me some advice...