19 pregnant and dont know what to do

i recently split from my boyfriend who i have been with for over a year when we split i met some one else and have been dateing him for a month i have recently found out i am pregnant with my new boyfriend i have no idea what to do and i have no one to talk to my ex still rings saying he loves me and i can not bring my self to tell him that i am with some one else and am pregnant also my new boyfriend has already got a child and i no he doesnt what any more kids i carnt talk to my best friend as she is releted to my ex i no i will have to let people no soon and i no it will cause my ex a lot of hart ach i carnt talk to my new boyfriend about this as i no he has made hes mind up i dont no what to do or what to think has any one got any advice for me i would be greatful