Controlling/sneaky BOYFRIEND. What do I do help. ?

My boyfriend dosen't allow me to have facebook or a blackberry.he has a facebook he told me he deletd it and he NEVER. In his staus is single & he has no pictures of ME.I asked him why can't I have a facebook he said ''you dont need 1' am 8months pregnant and he said he dosent want me to have a facebook. :/ i've biting my tongue for TOO long!p.s I don't trust him!! He has 1,308 friends,he adds and also xcepts girls friend requests.he says if I make a facebook he will dump me.am 8months pregnant and live together what are the chances he will leave? Is he just saying it but bluffing? What do I do?