You do go through growth spurts where you will be more hungry at points, best thing is listen to your body, being starving is not a good thing in pregnancy and your body is telling you you need more, go for healthy snacks like cottage cheese, toast, fruits, veggies, yoghurt or a ham or chicken something low fat sandwich, the best thing to do is eat but make sure your not just reaching for crisps or choc cus of your gunna eat at least make it nutritional x