Hai mama, mengah sikit2 at 37 weeks tu memang common lah sebab perut dah besar and baby dah turun bawah, so pressure pada paru-paru jadi heavy breathing lah. Tapi kalau it's making you struggle habis or ada chest pain, better check dengan doktor ye just to be safe, especially since you're dah so close to delivery.
Normal.. tp kalau rasa terlalu mengah sukar nafas ke .. sila ke pac yea .