“…As regards the risk factors most linked to their appearance, there are young age at pregnancy, 1,9,10,[15][16][17][18][19][20][21][22][23][24] the fact that it is the first pregnancy, 21,25 a large abdominal circumference before pregnancy, 13,17,19 high body mass index both before pregnancy, 4,9,10,13,16,18,20,21,23,24,26 and during pregnancy, 1,9,13,[18][19][20][21]27,28 previous presence of other striae, 14,16,17,20,25 excessive weight gain during pregnancy, 1,15,[17][18][19][21][22]…”