Boy or girl?

is it true n pag maitim dw lines s leeg ng preggy , d blooming, walang pagsusuka, wala pinaglilihian at d maxado masilan, positive daw n boy? i am on my 16 week now at yon mga sinasabi nila mostly. my ngsasabi rn nman n girl . pero sabi ng mama ko nung buntis dw xa akala ng madami n lalake pinagbubuntis nya kasi ganun dn daw experiences nya pero girl nman daw pla.