Ahhh jangan panik dulu mummy! Kalau baby cuma minum sikit jer susu kakak dia, most likely okay je, tapi sebab baby baru 4 bulan, better call your pediatrician or go to clinic to check, just to be safe. Derang boleh assess based on berapa banyak baby minum dan baby dia okay ke tidak. A few of us mum friends pernah buat camtu jugak by accident, tapi check dengan doctor tetap kena, setiap baby berlainan, especially yang baru 4 bulan lagi. Jangan risau sangat, tapi don't delay the check-up k!