linea nigra..

hello moms, i feel different pregnancy this time than before .. my two daughters, i feel itchy in the breast area early pregnancy. but now i'm 17 weeks and i don't feel the same way.. i mean no itchi at all? am i normal? dan lagi, linea nigra kali ni panjang naik smpi atas.. dua kali pregnant sbl ni smpi pusat je..klinik lma lg, blm dpt tanya nurse.. ada moms sma dengan penglaman sya?