Low libido

Hi all, before I first got pregnant I had a very high libido then once my daughter was born January 2014 my sex drive has completely gone. My partner is 36 and would have sex everyday if possible I'm 21 and just have no desire for sex at all I would never have sex again if possible lol. Can anyone give me any ideas/ways to increase my sex drive cause I know some point down the line it will cause my partner and I to split as he's obviously going to want sex and I want to give it him. I just feel so shit about it. No suggestions of porn or anything as that's not something I agree with due to an ex being a porn addict. If you can help me out please feel free to drop your ideas. Much appreciated 🙂