bolehkah ibu berbadan kecil bersalin normal

hai mommy.. nak tnya, bolehkah ibu berbadan kecil n kurus bersalin normal? 1st baby.. time booking buku 36kg low BMI, now 45kg tp bdn still xgmuk2 ?.. baby ok mmbesar dgn baik week by week.. now 39 week 1day