Delay ng mens November December January

Good day po, tanung ko lang po bale Ang last menstruation ko October 15 16 and 17 , then nadelay na ko ng November 15 , December 15 at January 15 . Mga ilang months na kaya ako Mag tithree months po ba ? First time mom positive sa pt , magpapaultrasound din next week pa pag may pera . Salamat po sa magreresponse . God bless you