Uyy yan normal lang yan, ate! Around that stage ang itching sa belly area kasi lumalaki na ang bumpy, at ang skin mo ay nag-stretch na talaga, a few of us pregnant moms felt the same thing, parang sobrang nakakainis talaga. Try keeping your belly moisturized with a good cream or oil (Mama's Choice Stretchmark Cream works great para dito, made to be pregnancy-safe talaga), and wear loose, breathable clothing para hindi mas nakakainiwan ang sweat, but if the itching gets really intense o may redness, definitely ask your OB about it, baka may skin condition lang na kailangan i-address. Kaya mo yan!