We talk about multiple birth when more than a single embryo implants and develops. Common multiples are two (twins) and three (triplets). New topic TopicsMessagesUpdated How can I get pregnant with twins?426/01/2017 New topic Create New Topic in “Multiple birth”Log in Log in Forgot your password? Or Login with Facebook Not registered? Sign up here 2017-01-26 22:44:10inviTRA Multiple birth Sandra F.