late period

hai guys . i just wanna opinion n suggestion sikit. act i dah 7 days late period tp masa 5 hari period x dtg i ada cek guna pregnancy test tapi the result is negative . i ada tye doktor dia kata kdg² setengah org lmbt effect bila cek air kencing . dia just suggest cek blk after 1 or 2 week tk dtg period. but i mmg berharap sngt nak ada baby . huaaaa