hi i have had a baby at 24+5 weeks hes now 36+6 weeks.he is now fully fed from a bottle but he seem to guzzle it wen hes sucking from the teat i have bought the same teats as the hosp use hes been on the bottle now for bout 2 and half weeks how did it take for the to nt suck so fast and desat wen feeding any help would be helpfull