preggy or not

Hello mga momshies..medyo confusing lang case q now..kz i felt that i am pregnant pero nun nagPT it is negative..but still lumalaki ang tyan q and 3mons.na qng delayed.nun nagpacheck up aq wala pa makitang baby..worried aq kz nkakaramdam aq ng mga symptoms na pregnant aq.then nagtry aq magpatingin sa manggagamot.sabi nia im pregnant..haist..please enlighten me.am i pregnant or not?thank u ??