Oo, normal yan sa 6 months! Kasi ang baby at lahat ng fluids ay tumaas na talaga, kaya parang may extra weight ka na dadalhin everywhere. A few of us mums say na parang nag-carry ng heavy groceries the whole day, pero it should improve after delivery. That said, kung parang sobrang sakit ng legs or pelvic area mo, better check with your OB para sure lang na walang iba pang concerns, okay?