Akak pernah juga! Usually it's because of sweat, heat, and kurang ventilation, especially kalau pakai diaper lama sangat atau baju yang tight. Cara terbaik adalah ganti diaper frequently, biarkan area tu "breathe" sambil nappy-free time kalau boleh, and pastikan area tu clean and dry always, some moms swear by letting a bit of air kering before putting on fresh diaper. Kalau dah red, irritated, or tak hilang dalam few days, better check with your paediatrician cepat-cepat ye, because bisa jadi fungal infection yang kena treatment khusus